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3 years ago

Pls help me. Show proof on why it’s that answer.

Chemistry

1 answer:

djverab [1.8K]3 years ago

7 0

Prevent additional sources of pollution because if the water gets polluted it can not be used and/or it won’t be pure/clean anymore.

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Enolase, an enzyme that catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate: Group of answer choices demonstra

Tanzania [10]

Answer:

Requires two Mg²⁺ cofactors and as such demonstrates metal-ion catalysis

Explanation:

Electrostatic catalysis or metal ion catalysis is a catalytic mechanism that makes use of metalloenzymes, such as enolase along with a metal ion which is bound tightly, including, Mo⁶⁺, Ni³⁺, Co³⁺, Mn²⁺, Zn²⁺, Cu²⁺, and Fe²⁺, to undertake a catalysis

For maximal activity, enolase requires the presence of 2 equivalent metal ions in each site which is active

Therefore, the correct option is; requires two Mg²⁺ cofactors and as such demonstrates metal-ion catalysis

5 0

3 years ago

The strength of an acid is affected by the polarity of the bond connected to the acidic hydrogen. The more highly polarized this

Shtirlitz [24]

Answer:

The answer is " $\bold{HClO_3 > HClO_2 >HClO > HBrO}$ "

Explanation:

We arrange oxoacids to decrease the intensity of acids in this question. Or we may conclude all this from strongest to weakest acids they order oxoacids, that's why above given order is correct.

5 0

3 years ago

A gas occupies 3.5 L at 2.5 mm Hg pressure what is the volume at 10 mm Hg at the same tempature

mrs_skeptik [129]

(2.5)(3.5)=10V²

The answer is 0.875 repeating liters.

7 0

3 years ago

Nah I'm gonna fail this quiz help please

Eva8 [605]

Answer:

It has 2 eyes

Explanation:

Quantitive observation means that it is facts based of numbers, therefore you can count how many eyes it has, but not that it has red eyes

4 0

3 years ago

How many grams of calcium chloride will be produced when 29.0 g of calcium carbonate is combined with 15.0 g of hydrochloric aci

horsena [70]

Answer:

22.7 g of CaCl₂ are produced in the reaction

Explanation:

This is the reaction:

CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O

Now, let's determine the limiting reactant.

Let's divide the mass between the molar mass, to find out moles of each reactant.

29 g / 100.08 g/m = 0.289 of carbonate

15 g / 36.45 g/m = 0.411 of acid

1 mol of carbonate must react with 2 moles of acid

0.289 moles of carbonate will react with the double of moles (0.578)

I only have 0.411 of HCl, so the acid is the limiting reactant.

Ratio is 2:1, so I will produce the half of moles, of salt.

0.411 / 2 = 0.205 moles of CaCl₂

Mol . molar mass = mass → 0.205 m . 110.98 g/m = 22.7 g

5 0

4 years ago