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2 years ago

Examine the equation.

Chemistry

1 answer:

Alisiya [41]2 years ago

5 0

Explanation:

The reaction expression is given as;

2H₂ $_{g}$ + O₂ $_{g}$ → 2H₂O $_{l}$

From the balance reaction expression:

2 mole of hydrogen gas combines with 1 mole of oxygen gas on the reactant side;

This produces 2 mole of water on the product side of the expression.

The product is in liquid form.

This reaction is a synthesis reaction because a single product is formed from two reactants.

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A force of 100 newtons is applied to a box at an angle of 36º with the horizontal. If the mass of the box is 25 kilograms, what

notka56 [123]

Answer:

$a_x=4.944m/s^2$

Explanation:

Hello,

Based on the acting force that is applied horizontally, one can propose the following equation based on Newton's laws:

$F=ma$

Nevertheless, since we've got a angled force, it becomes:

$F=macos\theta$

In this case, $cos\theta$ accounts for the formed angle, so the horizontal acceleration turns out into:

$a_x=\frac{F}{mcos\theta}=\frac{100kg*\frac{m}{s^2} }{25kgcos(36^0)}=4.944m/s^2$

Best regads.

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3 years ago

What is the [H ] of a solution of 0.001 M aqueous sulfuric acid (H2SO4) is H2SO4 ionizes in water according to the balanced chem

Ainat [17]

Answer: 0.002 M

Explanation:

The balanced chemical equation for ionization of $H_2SO_4$ in water is:

$H_2SO_4\rightarrow 2H^++SO_4^{2-}$

According to stoichiometry :

1 mole of $H_2SO_4$ ionizes to give =2 mole of $H^+$ ions

0.001 mole of $H_2SO_4$ ionizes to give = $\frac{2}{1}\times 0.001=0.002$ mole of $H^+$ ions

Thus $H^+$ of a solution of 0.001 M aqueous sulfuric acid is 0.002 M

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2 years ago

How are distillation and reverse osmosis alike?

Andrei [34K]

I'm having trouble with this one. At the very least, they both purify water. If I'm not mistaken, distillation is part of the process of purifying water.
Really sorry, I hope I helped at least a little! If you have any other questions I might be able to answer better, let me know..

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3 years ago

What differentiates one element from another

worty [1.4K]

I think the number of protons in the nucleus the number of valence electrons atomic mass...

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3 years ago

Which statement describes how chemical formula such as H20 represent compounds check all that apply

Allisa [31]

<h3>Answer:</h3>

They show the elements of make up a compound
They show the types of atoms that make up a molecule
They show the number of each type of atom in a molecule

<h3>Explanation:</h3>

To answer this question we need to know what is a compound.

A compound is a substance that is made by two or more atoms of different elements that are chemically combined.
A chemical formula of a compound is a formula that shows the elements that make up a compound and also the types of atoms that make up the molecule.
Additionally, the chemical formula shows the number of each type of atom in a molecule.
In this case, the chemical formula of a molecule of H₂O shows that it is made up of one hydrogen atom and two oxygen atoms.

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3 years ago