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sdas [7]
3 years ago
11

Find the mass in 3.8 moles of magnesium chloride​

Chemistry
1 answer:
lisov135 [29]3 years ago
5 0

Explanation:

34.31+35.45(2)=

27.31+70.90=

95.21g/mol

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Acid and base forms salts
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Which coefficients correctly balance the formula equation nh4no2(s)® n2(g) + h2o(l)?
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<span>NH4NO2(s)---> N2(g) + 2H2O(l)</span>
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Which statement is true of energy in reactants during an endothermic reaction? (1 point)
pychu [463]

All of the energy from the reactants will be lost to the surroundings.The energy found in the reactants remains in the system, and the reactants also take energy from the

surroundings is true of energy in reactants during endothermic reaction.

<h3>What is Endothermic reaction?</h3>

Endothermic reaction is a reaction in thermochemistry where the reactants absorb heat from the surrounding to form the products.

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Therefore, All of the energy from the reactants will be lost to the surroundings.

The energy found in the reactants remains in the system, and the reactants also take energy from the

surroundings is true of energy in reactants during endothermic reaction.

For more details on endothermic reaction check the link below.

brainly.com/question/6506846

7 0
2 years ago
Calculate the pressure exerted by an book of mass 20kg occupying an area of 2 m square.​
kotykmax [81]

The answer is 100 Pa.

The formula for calculating pressure is :

<u>Pressure = Force ÷ Area</u>

<u />

We are given that :

  • mass = 20 kg
  • area = 2 m²

We also know that :

<u>Force = mass ×g</u>

<u />

So, force will be :

  • F = 20 × 10
  • F = 200 N

Now, we can finally calculate pressure :

  • P = 200 ÷ 2
  • P = 100 Pa
8 0
2 years ago
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