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4 years ago

Consider the reaction below.

Chemistry

1 answer:

anygoal [31]4 years ago

7 0

Answer:

Explanation:

Oxidation - losing electrons. It is Zn, and it is losing 2 electrons.

$Zn^{0} --> Zn^{2+} +2e^{-}$

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18. Use the activity series to predict whether the following synthesis reaction will occur. Write the chemical equations for the

MAXImum [283]

<u>Answer:</u> The chemical reaction for the synthesis reaction is given below.

<u>Explanation:</u>

Synthesis reaction is defined as a chemical reaction in which two small chemical substances combine together to form a single compound. The general equation for this chemical reaction follows:

$A+B\rightarrow AB$

For the reaction of calcium and oxygen combining together to form calcium oxide, the equation follows:

$2Ca(s)+O_2(g)\rightarrow 2CaO(s)$

By Stoichiometry,

2 moles of calcium element combines together with 1 mole of oxygen gas to produce 2 moles of calcium oxide.

Hence, the chemical equation for the reaction is given above.

8 0

3 years ago

Which law motion is used to explain how to a rocket takes off

Andrew [12]

Answer:

newtons 3rd law

Explanation:

if the engine is supplying propulsion, then the mass will be pushed by it.

8 0

3 years ago

The majority of Canada’s manufacturing takes place in the provinces of Ontario and __________.

nikklg [1K]

C. Quebec hope this helps :)

6 0

3 years ago

Read 2 more answers

A gas is contained in a tick walled balloon. When the pressure changes from 2. 95atm to ___atm, the volume changes from 7. 456L

tia_tia [17]

A gas is contained in a tick-walled balloon. When the pressure changes from 2. 95atm to <u>2.57</u> atm. p.

<h3>What is pressure?</h3>

Pressure is a force perpendicular to the unit area on which it is applied.

Given that, P1, the initial pressure is 2.95 atm

The initial volume, V1 = 7.456 L

The final volume, V2 = 4.782 L

The initial temperature, T1 = 379k

The final temperature, T2 = 212k

The equation will be

$\dfrac{P_1V_1}{T_1 } =\dfrac{P_2V_2}{T_2}$

Putting the values in the equation

$\dfrac{2.95 \times 7.456 L }{379k } =\dfrac{P_2\times 4.782 L}{212k}\\\\\\P_2 = \dfrac{2.95 \times 7.456 L \times 212k }{379k \times 4.782 L} = 2.57\;atm.$