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Juliette [100K]
2 years ago
14

Which item is NOT shown in a balanced chemical equation?

Chemistry
1 answer:
hram777 [196]2 years ago
5 0

Answer:

Ur mom

Explanation:

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A solution 0.20 molar in monomer (styrene) and 4.0 X 10-3 M in benzoyl peroxide initiator is heated at 60°C. kp = 145 liter/mole
Elden [556K]

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Part A and B are attached

Explanation:

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2 years ago
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How many moles are in 5.5 x 10-23 molecules of H2O
masha68 [24]

Answer:

0.914moles

Explanation:

The number of moles in a substance can be got by dividing the number of atoms/molecules/particles by Avagadro's constant (6.02 × 10^23).

That is;

number of moles (n) = number of atom (nA) ÷ 6.02 × 10^23

According to this question, there are 5.5 x 10-23 molecules of H2O

n = 5.5 x 10^23 ÷ 6.02 × 10^23

n = 0.914 × 10^(23-23)

n = 0.914 × 10^0

n = 0.914 × 1

n = 0.914moles

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2 years ago
Andre is packing for a move to Kentucky. He needs to pack 20 small paperback books whose total mass is 5 kg and some pillows who
storchak [24]
The pillows because it is larger than paperback books, in this situation just think about which is larger, I pretty sure Andre is not going to hold the boxes in his hand. 
hope I helped
6 0
3 years ago
jelani and Mikah are watching an approaching storm from their living room window. All of a sudden they see a bright flash of lig
Shtirlitz [24]

Answer: Heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.

4 0
3 years ago
A man pours some hot coffee into a small cup from a large jug that contains enough coffee for several cups. Which statement corr
Stells [14]

Answer:

The correct answer is "The coffee in the jug has more thermal energy than the coffee in the cup".

Explanation:

First I had to look for the problem to know the possible answers.

In this case, the coffee jug has a large amount of coffee at the same temperature. If we analyze that the decanter and the coffee are at the same temperature, we have a homogeneous thermal system. The cup is at room temperature, so by pouring coffee into it, the temperature of the coffee decreases to balance with the temperature of the cup. At this moment, the temperature of the cup-cafe system is lower than the jug-cafe system.

Thermal energy is the part of the internal energy of an equilibrated thermodynamic system that is proportional to its absolute temperature and increases or decreases by energy transfer.

In this way, we can ensure that the thermal energy of the cup-cafe system is lower than that of the jug-cafe system.

Have a nice day!

3 0
3 years ago
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