Oxygen, nitrogen, and carbon are all ___________________.

Answers

Answer 1

Answer: Organic elements, depends on the context of the question but I suspect that is the answer. The organic elements are H,O,C,N,P,S

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Which two substances bind using a lock-and-key mechanism?enzyme and substrate
reactant and substrate
substrate and product
reactant and product

Answers

The answer is the first option. Enzyme and substrate bind using a lock-and-key mechanism. Enzymes act on a specific substrate and a substrate needs a specific enzyme, this is what is called a lock-and-key mechanism. Enzymes and substtates are like a key and a lock, one is for each other.

it would be A: enzyme and substrate

Given: Z = 0.43Y + 12 ; What is Y when Z = 28 ?
Can someone explain this one?

Answers

Z=0.43y+12=28=0.43y+12=28-12=0.43y=16=0.43y,then u divide 0.43y by itself and by 16,you will get y=37.209

Calculate the pH of a solution that has a [OH−] of 2.6 × 10^−6 M.A. 8.4
B. 6.5
C. 7.7
D. 6.29

Answers

Answer:

A. 8.4

Explanation:

[OH⁻] = 2.6 × 10⁻⁶ Take the negative log of each side

-log[OH⁻] = pOH = 5.59 Apply the pH/pOH relation

pH + pOH = 14.00 Insert the value of pOH

pH + 5.59 = 14.00 Subtract 5.59 from each side

pH = 14.00 -5.59 = 8.41

Which type of pollution includes CFCs and smog?

Answers

Air pollution exist in two forms namely ozone and particle pollution. CFCs and smog are under the ozone form of pollution. Ozone type of pollution is mostly formed by reaction between the sunlight and the vapors that are emitted due to human activities.

The is Answer is air

Every chlorine atom has

Answers

an atomic number of 17

Every chlorine atom has an atomic number of 17.

Based on atomicity , how molecules are categorized

Answers

Answer:

On the basis of atomicity, molecules can be classified as : Monoatomic-composed of 1 atom e.g. He, Ne, Ar (all noble gases are monoatomic) Diatomic-composed of 2 atoms e.g. H2 , N2 , O. Triatomic-composed of 3 atoms e.g. O

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