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3 years ago

If more products are present in a mixture ,what can be said of the reversible reaction?

2 answers:

7 0

D. The reaction occurring in the forward direction is favored.

In a reversible reaction, both the forward and reverse reactions take place (at equilibrium) 
A. at the same rate 

Which of the following is untrue concerning a reversible reaction? (at equilibrium) 
D. The reaction could spend more time in the reverse direction than in the forward direction. 

A reversible reaction 
C. always starts off in the forward direction. 

All reversible reactions will reach chemical _____. 
D. equilibrium

lys-0071 [83]3 years ago

7 0

Answer:

The reaction occurring in the forward direction is favored.

Explanation:

Consider the reversible reaction

A+B ----------------->. C

<------

It can easily be seen that the equilibrium position lies more to the product side than the reactants side( the longer arrow points towards the products while the sorter one points towards reactants). That is, the forward reaction (product formation) is favoured under a given set of conditions. Hence there will be more products in the reaction system than reactants.

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Which statement(s) is/are TRUE about covalent bonds?

tresset_1 [31]

Answer:

1. Covalent bonds can form between two nonmetal atoms.

2. Covalent bonds can form between atoms of the same element.

3. Covalent bonds can form between atoms of different elements.

Explanation:

I hope this helps u! :D

Explanation:

3 0

3 years ago

How many grams of aluminum are required to react with 35 mL of 2.0 M hydrochloric acid, HCl?__ HCl + __ Al --> __ AlCl3 + __

kiruha [24]

Answer:

0.6258 g

Explanation:

To determine the number grams of aluminum in the above reaction;

determine the number of moles of HCl
determine the mole ratio,
use the mole ratio to calculate the number of moles of aluminum.
use RFM of Aluminum to determine the grams required.

Moles of HCl

35 mL of 2.0 M HCl

2 moles of HCl is contained in 1000 mL

x moles of HCl is contained in 35 mL

$x \: mol \: = \: \frac{2 \: \times \: 35}{1000} \\ = 0.07 \: moles \:$

We have 0.07 moles of HCl.

Mole ratio

Balanced equation

6HCl(aq) + 2Al(s) --> 2AlCl3(aq) + 3H2(g)

Hence mole ratio = 6 : 2 (HCl : Al

but moles of HCl is 0.07, therefore the moles of Al;

$= \frac{2}{6} \times 0.07 \\ \: = 0.0233333 \: moles$

Therefore we have 0.0233333 moles of aluminum.

Grams of Aluminum

We use the formula;

$grams \: = moles \: \times \: rfm$

The RFM (Relative formula mass) of aluminum is 26.982g/mol.

Substitute values into the formula;

$= 0.0233333 \: moles \: \times \: 26.982 \: \frac{g}{mol} \\ = 0.625799 \: grams$

The number of grams of aluminum required to react with HCl is 0.6258 g.

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2 years ago

What concept explains why some objects heat up faster than others when exposed to the same heat source?

Brrunno [24]

C. Specific Heat is your answer

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3 years ago

2. What is the smallest unit of an organism that is classified as living? *

Leviafan [203]

Answer:

Explanation:

The cell is the basic structural, functional and biological unit of all known living organisms. Cells are the smallest unit of life that is classified as a living thing, and are often called the "building blocks of life.

4 0

3 years ago

Read 2 more answers

A is often written as an if/then statement. O prediction O law O theory O guess

frosja888 [35]

The answer is theory because it says if and that means theory

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3 years ago