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Lesechka [4]
3 years ago
11

A carpet sells for 27.99 a square yard. What is the price of the carpet square per square meter ?

Chemistry
1 answer:
klio [65]3 years ago
3 0
There are 9 square meters in one square yard so divide 27.99 by 9

27.99/9=3.11

one square meter is $3.11

I hope I've helped!
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6 0
3 years ago
How many grams of magnesium chloride can be produced from 2.30 moles of chlorine gas reacting w excess magnesium Mg(s)+Cl2(g)-&g
alexdok [17]

Answer:

<em>219 g</em>

Explanation:

6 0
3 years ago
What is the value for AG at 5000 K if AH = -220 kJ/mol and S= -0.05 kJ/(mol-K)?
Serhud [2]

Answer:

C. 30 kJ

Explanation:

Hello there!

In this case, in agreement to the thermodynamic definition of the Gibbs free energy, in terms of enthalpy of entropy:

\Delta G= \Delta H-T\Delta S

It is possible to calculate the required G by plugging in the given entropy and enthalpy as shown below:

\Delta G=-220kJ/mol-5000K*-0.05kJ/mol*K\\\\\Delta G=30kJ/mol

Therefore, the answer is C. 30 kJ .

Best regards!

4 0
2 years ago
For an ideal gas under constant volume, if the pressure is tripled, what happens to the Kelvin temperature?
EleoNora [17]

Answer:

Increase pressure 3X => increase Temperature 3X

Explanation:

Gay-Lussac Law => T ∝ P => T =kP => Empirical Relationship => T₁/P₁ = T₂/P₂  

=> T₂ = T₁P₂/P₁

Given P₂ = 3P₁ => T₂ = T₁(3P₁)/P₁ = 3T₁

6 0
2 years ago
HELP ASAP I NEED HELP FAST PLEASE
ella [17]

1. C

2. D (I’m not entirely sure)

3.energy can neither be created nor destroyed, only change forms.

4. C

5. A

6. C

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6 0
2 years ago
Read 2 more answers
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