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red tape can be used to repair a broken taillight a car. In one or two sentences, explain how different colors of light are
transmitted, reflected, and absorbed by this kind of tape. (2 points)

Nothing changes; it stays the same.

What does it imply to claim that a reaction is being catalysed by an enzyme?

Enzymatic catalysis of a reaction involving two substrates. The two substrates are brought together in the correct direction and location to react with one another using the template provided by the enzyme.

How do enzymes decide what to eat for fuel?

Finding the peptide sequences that proteases cleave in vitro—or, more specifically, which amino acids span the cleavage site and are recognised by the enzyme's active site—is one method of identifying prospective protease substrates. The proteome is then searched for substrates using these sequences, much like partial licence plate numbers

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Answer:

12.665 mols

Explanation:

You can just plug into the equation finding n, which is moles. The equation would be n = PV/RT. atm is 9.16, Volume is 42, 0.08206 or 0.0821 in this case is the constant, and T is the temperature which is 370 Kelvin.

the equilibrium constant for the given reaction at 298 K is 8.96 x 10^-7.

The equilibrium constant for the given reaction, CIO(g) + O2(g) → Cl(g) + O3(g), at 298 K can be determined using the Gibbs free energy of the reaction and the following equation:ΔG° = - RT lnK

where ΔG° is the standard Gibbs free energy change, R is the gas constant, T is the temperature in Kelvin, and K is the equilibrium constant.

The equation can be rearranged to solve for K:K = e^(-ΔG°/RT)where e is the natural logarithmic base, and all other variables are the same as in the previous equation.Substituting the given values,

we have:ΔG° = 34.5 kJ/molR = 8.314 J/(mol·K)T = 298 K

Using these values, we get:-

ΔG°/RT = (-34.5 × 10^3 J/mol) / (8.314 J/(mol·K) × 298 K)

= -13.19e^(-ΔG°/RT) = e^(-13.19) = 8.96 × 10^-7

Therefore, the equilibrium constant for the given reaction at 298 K is 8.96 x 10^-7.

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Answer:

See explanation

Explanation:

I believe that the aim of the scientist is to determine the effect of a cancer drug on mice with lymphoma. In this experiment, the mice with lymphoma are exposed to the drug. This is the treatment in the experiment. A control group of mice having lymphoma is not exposed to this treatment, this is the control group. This control group establishes a baseline for the study.

By comparing the outcome of the experimental and control groups, the effect of a cancer drug on mice with lymphoma can be determined.

oxygen has 6 valence electrons and 2 electrons and carbon has 4 electron

Answer:

4!!!!!!!!!!

Explanation:

i got it right

1. 4

2. 4

3. 2

4. 2

Given

Reaction

2H₂+O₂⇒2H₂O

Required

Number of atoms

Solution

In compounds, the number of atoms of the constituent components in the form of elements is usually indicated by a subscript after the element symbol, while the number in front of the compound which is the coefficient indicates the number of molecules of the compound.

In chemical reactions, the reactants are on the left and the products on the right

1. Number of Hydrogen in reactants

2 molecules x 2 atoms = 4 atoms

2. Number of Hydrogen in products

2 molecules x 2 atoms = 4 atoms

3. Number of Oxygen in reactants

1 molecules x 2 atoms = 2 atoms

3. Number of Oxygen in products

2 molecules x 1 atoms = 2 atoms

The reaction is said to be balanced because the number of atoms of the element is the same between the reactants and products

A resonance structure with formal charges closer to zero on individual atoms is preferred and resonance structure is more stable if a negative charge resides on a more electronegative atom.

Chemistry concept known as the theory of resonance that postulates that a molecule's actual normal state is represented by a combination of several alternative distinct structures rather than by a single valence-bond structure. The molecule is then said to have a structure that is a resonance hybrid of these structures or to resonate among the various valence-bond structures. The molecule is said to be stabilized by resonance when the calculated energy for a resonance hybrid is lower than the energies of any of the alternative structures. Resonance energy is the difference between the energies of any alternative structure and the energies of the resonance hybrid.

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Answer:

In general, electrons can be shared between atoms (a molecular bond) or electrons can be completely removed from one atom and given to another (an ionic bond). ... Water is a molecule because it contains molecular bonds. Water is also a compound because it is made from more than one kind of element (oxygen and hydrogen).

Explanation:

Ionic solids use regular, repeating patterns to create crystal-like structures. Therefore, lattice structure of FeS  is of cubic.

Ionic solids would those be crystalline solids that include ions with opposite charges that are kept together by intense electrostatic forces of attraction. (ionic bonds). Examples: Ionic solids like NaCl, KBr, etc. have crystals. Describe how the anions and cations are arranged using a clear geometric design.

Describe how the anions and cations are arranged using a clear geometric design. They thus exist at room temperature as crystalline solids. They never exist as liquids or gases under normal pressure and temperature circumstances. Lattice structure of FeS is of cubic.

Therefore, lattice structure of FeS  is of cubic.

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A block that has a mass of 24 grams is 3 cm high, 4 cm long, and 7 cm wide. Therefore, the density is 0.28g/cm³.

Density is the mass of a specific material per unit volume. Density is defined as d = M/V, in which d represents density, M is weight, as well as V is volume. Density is generally expressed in grams every cubic centimetre. Water, for example, has a density of 1 gram every cubic centimetre, but Earth has a density of 5.51 grams every cubic centimetre.

Density is sometimes measured in kilos every cubic centimeter (in metre-kilogram-second or SI units). The density of air, for example, is 1.2 kilograms for every cubic metre. Textbooks and handbooks list the densities of various solids, liquids, including gases.

density= mass /volume

mass = 24 grams

volume= 3×4×7=84cm³

density= 24 /84=0.28g/cm³

Therefore, the density is 0.28g/cm³.

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Isopentane, commonly known as methyl butane or 2-methylbutane, is an alkane with a branched chain and five carbon atoms. Its chemical formula is C 5H 12 or CH(CH).

At normal temperature and pressure, isopentane is a highly flammable and volatile liquid. Additionally, under normal circumstances, it is the least dense liquid. [Reference needed] Isopentane has a standard boiling point that is only a few degrees above room temperature, therefore on a warm day, it will easily boil and evaporate. To achieve a liquid bath temperature of 160 °C, isopentane and liquid nitrogen are frequently utilized. Isopentane is a substantial component of natural gasoline, however, it normally only makes up 1% or less of natural gas.

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First, we write down our reaction:

N2 + 3H2 → 2NH3

Don't forget to balance it.

We only use moles as units.

Procedure:

3 x 1 mole H2 ------------ 2 x 1 mole NH3

3.1 moles H2 ------------- x

x = 2.1 moles NH3 are produced

Answer: 2.1 moles NH3

Answer:

cell wall > skeletal system (maybe)

cell membrane > skin (maybe)

nucleus > brain

mitochondria > digestive system

Explanation:

Answer:  A. solid, compound

Explanation:

Because copper sulphate is a compound and it is a blue solid powder

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The silver coating on the spoon is produced. When electrolyzing a spoon made from iron with silver, the anode, cathode, and electrolyte that can be used are as follows:

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Answer:

C) low ionization energy and low electronegativity

Explanation:

Coal powered stations and  factories are direct and indirect sources of particulate matter.

One of the worst types of pollution in the air in India and around the world is particle pollution, also known as particulate matter pollution. Human activities are the main source of the increase in particle pollution, a type of air pollution.

Factories, power plants, incinerators, industries, autos, and diesel generators are major contributors of particulate matter emissions. All of this has human origins or is the result of human activity. Coal powered stations and  factories are direct and indirect sources of particulate matter.

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2gcm³ is the density of a glass fragment that has a mass of 1.5g and a volume of 0.75mL.

The term density is define as the ratio of mass and volume. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimeter.

Density = mass / volume

Given:

Density = ?

Mass = 1.5 gram

Volume = 0.75 ml

By substituting this values in give equation we get,

Density = 1.5 / 0.75

= 2 gcm³

Thus, 2 gcm³ is the density of a glass fragment that has a mass of 1.5g and a volume of 0.75mL.

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The molar mass of the other gas is 153.79 g/mol

Step 1: The Data given,

It required 57 s for 1.0 L of the gas to effuse.

Under identical experimental conditions it required 26 s for 1.0 L of O2 gas to effuse.

Step 2: Calculate the molar mass

Graham's law of effusion says:

r1/r2 = √(M2/M1)

⇒ with r1 = effusion rate 1 = L/57s

⇒ with r2 = effusion rate 2 = L/26s

⇒ with M1 = molar mass of the gas = x g/mol

⇒ with M2 = molar mass of oxygen = 32 g/mol

We should be careful if we plug in the effusion rate. Because the fractions could flip if we don't give the effusion rates as numeral values.

(L/57s)/(L/26s) = 26/57 = √(32/M1)

26/57 =√(32/X)

(26/57) ² = 32/X

0.208064 =32/X

X = 32/0.208064

X = 153.79 g/mol

Hence, The molar mass of the other gas is 153.79 g/mol

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Answer:

The answer is option 1.

Explanation:

Lithium is a Group 1 element. So the correct charge for lithium should be Li+.

Answer:

(a)\(Li^{2+}\)

Explanation:

Answer is (a)\(Li^{2+}\)

As lithium has only one valence electron, it will lose one electron to form a cation with charge 1+ . Thus the correct Li ion is \(Li^{1+}\)

Answer: Use the formula x = (c ÷ V) × 100 to convert the concentration (c) and volume (V) of the final solution to a percentage. In the example, c = 60 ml and V = 350 ml.

Explanation: Divide the mass of the solute by the total volume of the solution. Write out the equation C = m/V, where m is the mass of the solute and V is the total volume of the solution. Plug in the values you found for the mass and volume, and divide them to find the concentration of your solution.

The given element nitrogen have 7 electrons and 7 protons. Mass number is the sum of number of protons and neutron. The number of neutrons is 7. Thus mass number of the isotope is  14.

Nitrogen is 7th element in periodic table. It is an electronegative element and is included in p block. Nitrogen exists as gas but sometime it can be liquified under high pressure.

Isotopes are atoms with same atomic number and different mass number. Nitrogen have two isotopes. N-14 and N-15. Mass number is the sum of number of protons and neutrons.

Even though isotopes are different in mass number their chemical properties will be similar but there exists slight changes in their physical properties.

Here, we have 7 protons and 7 electrons therefore, the mass number 14.Thus the isotope given in the diagram is N-14.

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Answer:

call an vet ASAP 10 pounds of chocolate is very bad for a dog.

Explanation:

Chocolate is one of the worst things a dog can eat, and 10 pounds of it is worst! Take your dog to the vet IMMEDIATELY! I hope that that the dog will survive.

-------------------------------------------------------------------------------------------------------------Brainiest would make my day, but you don’t have to give it! You’re welcome.

Answer:

Beryllium.

Silicon.

Explanation:

Beryllium has 2 electrons in their outermost shell and has highly reactive than boron because Boron needs 3 electrons to lose whereas, beryllium needs to lose only 2 electrons to get stability. Silicon has 4 electrons in its outermost shell and is less reactive than aluminum because aluminum has to lose 3 electrons to get stability as compared to silicon which needs 4 electrons to lose to be stable and non-reactive.

Dichlorocarbene CCl2 is this substance.

Utilize 100 grams of the substance:

ω(Cl) = 85.5% ÷ 100%.

The mass proportion of chlorine in the chemical is (Cl) = 0.855.

m(Cl) = 0.855 · 100 g.

Chlorine mass is 85.5 grams, or m(Cl).

m(C) = 100 g - 85.5 g.

Carbon mass is 14.5 grams, or m(C).

M = n(Cl) = m(Cl) (Cl).

85.5 g x 35.45 g/mol = n(Cl).

n(Cl) = 2.41 mol; chlorine content.

n(C) equals 14.5 g x 12 g/mol.

Carbon quantity, n(C), is 1.21 mol.

n(Cl) = 2.41 mol, n(C) = 1.21 mol, and 1 = 2.

Dichlorocarbene CCl2 is the chemical name for this compound. The reactive intermediate with the chemical formula CCl2 is dichlorocarbene. Despite not having been isolated, this chemical species is a typical intermediate in organic chemistry since it is produced from chloroform. This twisted diamagnetic molecule enters other bonds quickly.

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The polarity of 6 real molecules are given below,

O2- Neutral

HF- Acidic

H2O- Neutral

NH3- Basic

CF4-Nonpolar

CH3F-  Polar

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