Use the graph to determine the velocity between 6 and
12 seconds.

What was the velocity over the entire trip?

(there was no science option or there probably was but im slow, so i put chemistry)

Answer:

i think it might be diseased people. but im not sure

Explanation:

The mass of gold is 193g.

Density is defined as the mass of a material substance per unit volume. The equation for density is d = M/V, where d stands for density, M for mass, and V for volume. It is generally measured in grams per cubic centimeter. Density provides an easy way to calculate a body's mass from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d).

Now, in the given question,

Density of gold = 19.3 g/cm³

Volume of gold = 10 cm³

Since,  Density = Mass/Volume

Therefore, Mass of gold = Density of gold × Volume of gold

                                        = 19.3g/cm³ × 10 cm³

                                       = 193g.

Hence, the mass of gold is 193g.

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A biome is a biogeographical unit made up of a biological community that has developed as a result of its physical surroundings and a common local climate.

1) The majors two characteristics that determines the terrestrial biomes are rainfall and temperature.

2) Latitude, which runs from 0° at the equator to 90° (North or South) at the poles, is a geographic coordinate that describes the north-south position of a point on the surface of the Earth.

Since the latitude degrees are parallel, the distance between each degree is constant

3) Winter, spring, summer, and autumn are the four seasons that alternate in temperate areas.

A area or climate that is never very hot or extremely cold is said to as temperate climate.

4) The polar climate are places where the climate is extremally cold and the temperature is below zero degrees.

5) The two majors characteristics of aquatic biome are water bodies and sunlight.

6)  marine regions such as oceans have high salinity.

7) Fresh water have low salinity .

8) Deep water plants have short plants because less amount of sunlight reaches under water.

9) Shallow water have medium sized of plants because the amount of sunlight reaches to the plant but enough amount is reached.

It is challenging to categorize the entire planet into a small number of ecological zones, in part because to the minor variances that exist everywhere on the planet and the gradual transition from one biome to another.

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The temperature in degrees Fahrenheit is -49°F and the temperature in Kelvin is 228K.

How does temperature conversion take place?

Celsius to Fahrenheit-

In order to convert temperature in degrees Celsius to Fahrenheit, the formula we use is  multiplied by 1.8 (or 9/5) and added to 32.

i.e,  (°C × 9/5) + 32 = °F

Given the water freezes at -45°C, so temperature in degree Fahrenheit is

                    (-45°C × 9/5) + 32 = -49°F

Celsius to Kelvin-

In order to convert the degrees Celsius to Kelvin, the formula we use  is

Kelvin = Celsius + 273.15.

i.e, K = °C + 273.15

Given the water freezes at -45°C, so temperature in Kelvin is

                         K = -45 + 273.15 = 228 K

So after conversion the temperature in degrees Fahrenheit is -49°F and the temperature in Kelvin is 228 K.

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Answer:

27.78

Step by Step:

100 x 1000 = 100000

100000 / 3600 = 27.77777778 m/s

B. Einsteinium

Transuranium elements are the elements after the number 92 in the periodic table.

Answer:

mmmm possibly that they are all created of atoms?

Explanation:

Answer:

Im not sure but i would say that they are all solid

Explanation:

These four elements - oxygen, carbon, hydrogen, and nitrogen - together make up more than 95% of the mass of the human body, and body cannot make elements, so it is helpful to have them in consumables.

By the definition, food and beverage is the stuff we eat and drink. But what kinds of things are those? They're meat and the vegetables, of course. But they could also be the spices or seasonings, or beverage pieces. For us, that means the food and beverage is a wide-ranging category that has no limits on potential. We do our best to take the advantage of that when making each order.

Food and beverages service training is all about serving the customers with drinks and treats. This can be in a restaurant, a cafeteria or even a banquet. Be ready to fill the orders, take orders and make sure they get the right food item they’re after.

It’s important to note that the food and beverage service training will vary from one school to the next. This is because every college and university, as well as each faculty within these institutions, handles this process in different way. While general layout of instruction remains the same, some aspects of the learning experience might change.

For example, some schools may have separate cafeteria location for the purpose of teaching food and beverage service skills. Many establishments choose to use their existing dining hall or other area on  campus to accomplish this task though, along with the during-class learning experiences.

Food: Food is anything which provides the essential nutrients to an organism for growth ,repair of body and perform all the works. Food provides the nutrients like carbohydrates, protein, fat and minerals.

Beverage: Any liquid including water which can quench thirst is called a beverage, eg Tea, coffee, milk ,butter milk, coco Cola soda lassi are beverage.

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Answer: What does Resources that control the size a population can reach are known as? a limiting factor

Explanation: A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources.

Fluorescent bulb is the more efficient one.

An electric bulb which has a filament inside it and the electricity passes through the filament and it get heated an it glows. The condition inside the bulb is vacuum or inert gas. This is an incandescent bulb. they uses a lot of energy.

Fluorescent bulb is a  mercury vapour low pressure, gas discharge lamp which will use less energy and fluoresce to produce visible light. So in this the electric current will cause the gas to get exited and there is a production of UV light which causes the coating on the inside of the lamp to glow..

Fluorescent bulb is the more efficient that the incandescent bulbs. They also have more life span than incandescent bulbs.

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The percent abundance for Fe-57 in the attached photo if the average atomic mass for Fe is 55.845 u is 2.1%.

The relative abundance is the percentage of a particular isotope that occurs in nature.

According to this question, four isotopes of Fe (iron) was given. The percent abundance can be calculated using the following expression;

M1(0.05845) + M2(0.91754) + M3 (x) + M4 (y) = M(E)

Where;

3.153 + 51.32 + 56.9354x + 57.9333y = 55.845

56.9354x + 57.9333y = 55.845 - 54.475

56.9354x + 57.9333y = 1.37......eqn 1

0.97599 + x + y = 1

x + y = 0.02401.......eqn 2

Solving both equations simultaneously using substitution method

x = 0.02401 - y

56.9354 (0.02401 - y) + 57.9333y = 1.37

1.3670 - 56.9354y + 57.9333y = 1.37

1.3670 + 0.9979y = 1.37

0.9979y = 0.003

y = 0.003006

x = 0.02401 - y

x = 0.02401 - 0.003006 = 0.021

Therefore, the percent abundance for Fe-57 in the attached photo if the average atomic mass for Fe is 55.845 u is 2.1%.

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w/v percentage of a dextrose solution with an osmolarity of 100 mosmol/L would be 1.9817%.

Because dextrose does not disassociate in an aqueous solution, the osmolarity of the solution is equal to its molarity, so we have a 100 mmol/L (or 100 mM or 0.1 M) dextrose solution. That means that, in 100 mL (0.1 L) of this solution, we have:

c = n/V, so n = c x V = 0.1 M x 0.1 L = 0.01 mol

n = m/M, so m = n x M = 0.01 mol x 198.17 g/mol = 1.9817 g of dextrose

w/v percentage would be:

100% x 1.9817 (g) / 100 (mL) = 1.9817%

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Answer:

Covalent bonds are the strongest bonds in nature and under normal biological conditions have to be broken with the help of enzymes. This is due to the even sharing of electrons between the bonded atoms and as with anything equally shared there is no conflict to weaken the arrangement.

Explanation:

Bonding electrons are described as electrons that participate in chemical bonds. Chemical bond, a strong attraction between atoms, ions, or molecules, might be the subject here. Atoms sharing electron pairs form a covalent or molecular connection. An attraction between the atomic orbitals of atoms in a molecule is called a bonding molecular orbital.

Which bonding type results in stronger bonds? What is your evidence?

A covalent bond is created when the difference between two atoms' electronegativities is too small for an electron transfer to occur and produce ions. Bonding electrons are collectively referred to as the electrons that are present between the two nuclei. The "glue" that binds the atoms into molecular structures is the bound pair.

It is the most powerful link. By sharing an electron, the two atoms in such a bond are joined together.

One Hydrogen atom with one valence electron and one Chlorine atom with seven valence electrons, for instance, make up the HCL molecule. In this instance, hydrogen and chlorine share an electron to create a single bond.

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A reactive metal can displace HYDROGEN gas either from water or from an aqueous acid.

A MORE reactive metal can also displace the ion of a LESS reactive metal from the solution.

A less reactive metal can be displaced by a more reactive metal (one that produces positive ions more readily). An example of this is a displacement reaction.

The more reactive metal thus enters the solution as a cation, while the cations of the less reactive metal are changed into metal. In their salt solutions, more reactive metals thus displace less reactive metals.

Only when a metal is situated above another metal in the reactivity series may one metal remove another metal from a complex.

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Making a solution of sodium chloride for an experiment , we add 250 mg of sodium chloride to 500 ml of lab water. the sodium chloride concentration of solution in unit of mg/l is 499.7 mg/l and in ppm is 499.7 mg/l.

mass of solute = 250 mg = 0.250 g

volume of solvent = 500 ml = 500 g

mass of solution  = 0.250 g + 500 g = 500.25 g

concentration of solution in ppm ( parts per million ).m

= ( mass of solute in g / mass of solution in g  ) × 1000000

= ( 0.250 g / 500.25 g) × 1000000

= 499.7 ppm

so, we know that , 1 ppm is equivalent to 1 mg /l

1 ppm = 1 mg/l

Therefore, 499.7 ppm = 499.7 mg / l.

thus,Making a solution of sodium chloride for an experiment , we add 250 mg of sodium chloride to 500 ml of lab water. the sodium chloride concentration of solution in unit of mg/l is 499.7 mg/l and in ppm is 499.7 mg/l.

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Answer: It will be C. neutron.

Explanation:

Answer: they were all used a very long time ago and there paper

Explanation:

Substance x is a molecular compound and is not an acid or a base. The substance x is not an electrolyte.

Molecular compounds are compounds that are formed by the sharing of electrons between atoms. They are also known as covalent compounds. They are of two types:

Like dissolves like, as we are all aware. As a result, polar solvents dissolve polar molecules, while non-polar solvents dissolve non-polar molecules.

A polar compound is water. Therefore, it will only dissolve polar molecules.

A molecular compound is the provided chemical, "X." It could be non-polar or polar.

Therefore, it might or might not be soluble in water.

When a substance is dissolved in water, it conducts electricity and is referred to as an electrolyte. Because of the ions, they separate into, they conduct electricity.

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The complete question is:

"Substance X is a molecular compound and is not an acid nor a base. Based just on this information, what can you determine about substance X? Check all that apply.

(A) X is soluble in water.

(B) X is insoluble in water.

(C) X is an electrolyte.

(D) X is not an electrolyte."

The scientific problem that the student is trying to investigate is the boiling point affected by the strength of particle attraction. So the correct option is A.

A liquid partially vaporises into the airspace above it at any temperature up until the vapour the liquid's pressure at that temperature, which is a characteristic value. The vapour pressure rises as the temperature rises, and when the liquid reaches the boiling point, vapour bubbles develop inside the water and come to the surface.

A liquid's boiling point changes depending on the pressure being applied; the normal boiling temperature is the point at which the vapour pressure is comparable to the average atmospheric pressure at sea level (760 mm [29.92 inches] of mercury). Water boils at sea level at 100° C (212° F). Lower boiling point temperatures are seen at greater elevations.

Therefore, the correct option is A.

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The absorbance at 280 nm of a 2.0mg × ml^-1 solution of Protein x = 0.8

Protein x = (0.4 Lmg-1cm-1) (2.0 mgmL-1) × (1)

              =  = 0.8

The body depends heavily on proteins, which are big, complicated molecules. They are crucial for the structure, operation, and control of the body's tissues and organs and carry out the majority of their job within cells.

Proteins are made up of hundreds or thousands of smaller building blocks called amino acids that are linked together in lengthy chains. Proteins are created by combining 20 different types of amino acids.

Each protein has a distinct three-dimensional shape that is based on the amino acid sequence, which also determines the protein's particular function. Combinations of the three DNA building blocks (nucleotides), which are defined by the order of genes, are used to code for amino acids.

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The solvent we use for extraction is diethyl ether and the solvent we use for the recrystallization is acetone.

Trimyristin is more soluble in diethyl ether rather than in acetone. In order to get extracted from the nutmeg, Trimyristin has to be soluble in the solvent.

Why is Trimyristin more soluble in diethyl ether?

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A17.90-gram sample of iron is heated in the presence of excess iodine a metal iodide is formed and the empirical formula of the compound is Fe1I2.

The empirical formula, which is defined as the ratio of subscripts of the least whole number of the elements present in the formula, is the simplest formula for a compound.

Mass of Fe= 17.90 g

Mass of metal iodide = 99.24 g

Now we have to calculate the mass of iodide.

Mass of I = Mass of metal iodide - Mass of Fe

Mass of I = 99.24 - 17.90

Mass of I = 81.34 g

To formulate the empirical formula, we need to follow some steps:

First, we convert the given masses into moles.

Moles of Fe = Given mass/ molar mass = 17.90/55.93 = 0.32 moles

Moles of I = given mass/ molar mass = 81.34/126 = 0.64 moles

To calculate the mole ratio, we divide each value by the smallest number of moles that is 0.32 moles.

For Fe = 0.32/0.32 = 1

For I = 0.64/0.32 = 2

Hence the mole ratio is

Fe:I = 1:2

Thus, the empirical formula would be Fe1I2

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Chemical Bonding : The molecules are usually categorized into two categories depending on the bonding and the bonding are classified into ionic bonds and covalent bonds.

Other comes under wander vall interactions.

If the molecular atoms are not hydrogen atoms then it must shares polar covalent bond , it is defined as the distribution of electrons unequally (that means one have partial charges considered both positive and negative.

The main reason behind the distribution of electrons in any atom is the electronegativity. It determines the distribution of of the shared electrons in the middle of two atoms in a polar covalent bonding.

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A problem that is usually posed in the form of a method.

What exactly is the scientific method? What are the stages of a scientific method?

A scientific method is a set of steps designed to assist you in solving problems and answering questions. The scientific method is comprised of the following stages:

In order to apply the rule or law generally: The term "principle" or "law" refers to a thoroughly verified fact pertaining to a scientific finding or phenomenon. Its prediction has proven to be trustworthy.

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0.5634 g of KHP was dissolved in 50.00 mL of the standardization titrant.

1 mol of potassium hydrogen phthalate reacts with 1 mol of sodium hydroxide to form 1 mol of potassium sodium phthalate and 1 mol of water. Because of this molar ratio, the amount of NaOH used will be equal to the amount of KHP present in the sample of the standardization titrant.

c = n/V, so n = c * V = 0.049 M * 0.025 L = 0.001225 mol of NaOH and KHP

With this information, we can obtain the moles of KHP present in the 50.00 mL of the titrant:

22.20 mL : 0.001225 mol = 50.00 mL : X

X = 0.001225 mol * 50.00 mL / 22.20 mL = 0.002759 mol

The next step is utilizing the potassium hydrogen phthalate molar mass (204.22 g/mol), to calculate the grams of it dissolved in the sample:

n = m/M, so m = n * M = 0.002759 mol * 204.22 g/mol = 0.5634 g

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Based on the mass and volume of the copper, the density of copper is 8.92 g/cm³.

The density of a substance is the ratio of the mass of that substance and the volume of the substance.

mathematically:

From the data provided:

mass of the copper = 1896 g

volume of the copper can be calculated as follows:

volume = length * width * height

Volume of copper = 8.4 cm *  5.5 cm * 4.6 cm

Volume of copper = 212.52 cm³

Density of copper = 1896 g/212.52 cm³

Density of copper = 8.92 g/cm³

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Considering the relationship between groups and periods on the periodic table and electron configuration:

Electronic configuration is the arrangement of the electrons around the nucleus of an atom in orbits or shells or energy levels.

The electronic configuration of atoms depends on the groups and periods which the element belongs to.

The groups in the periodic table refer to the vertical columns in the periodic table while the periods in the periodic table refers to the horizontal rows.

The groups in the periodic table determines how many electrons are found in the outermost shell of the atom of the element.

The periods in the periodic table determine how many electron shells there are in the atom,

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