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Elza [17]
3 years ago
8

2. In most reactions, energy is converted into what?

Chemistry
1 answer:
Lelu [443]3 years ago
8 0
Chemical energy

After a reaction, a chemical substance is formed
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What is the ph of a 0.034 m hydrochloric acid solution?
Law Incorporation [45]
PH= -log [H+]   
= - (log 0.034)   
= - (-1.5)   
= 1.5
8 0
3 years ago
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What volume of 7.68 M NaOH (aq) will neutralize 1.15 L of 2.35 M H2SO4 (aq) ?
aleksklad [387]

Answer:

hmm lemme think bur it will take a while

8 0
2 years ago
Calculate the volume of a gas at a pressure of 150 kpa if its volume at 180 kpa is 1500 L
Anastaziya [24]

Answer: 1800 L

Explanation:

Given that,

Original pressure of gas (P1) = 180 kPa

Original volume of gas (V1) = 1500 L

New pressure of gas (P2) = 150 kPa

New volume of gas (V2) = ?

Since pressure and volume are given while temperature is held constant, apply the formula for Boyle's law

P1V1 = P1V2

180 kPa x 1500 L = 150 kPa x V2

270000 kPa•L = 150 kPa•V2

Divide both sides by 150 kPa

270000 kPa•L/150 kPa = 150 kPa•V2/150 kPa

1800L = V2

Thus, the new volume of the gas is 1800 liters.

8 0
3 years ago
Question 15 How many grams of NaCl are required to make 500.0 mL of a 1.500 M solution? 58.40 g 175.3 g 14.60 g 43.83 g
ExtremeBDS [4]
Hi!

To make 500 mL of a 1,500 M solution of NaCl you'll require 43,83 g

To calculate that, you will need to use a conversion factor to go from the volume of the 1,500 M solution to the required grams. For this conversion factor, you'll use the definition for Molar concentration (M=mol/L) and the molar mass of NaCl. The conversion factor is shown below:

gNaCl=500mLsol* \frac{1L}{1000 mL}* \frac{1,500 mol NaCl}{1Lsol}* \frac{58,4428 g NaCl}{1 mol NaCl} \\ =43,83gNaCl

Have a nice day!
4 0
3 years ago
Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. C3H6 + O2 → CO2 + H2O
artcher [175]
<span>2 C3H6 +9 O2 → 6CO2 + 6H2O</span>
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3 years ago
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