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Serhud [2]
3 years ago
10

During heat transfer, thermal energy always moves in the same direction: A. COLDHOT B. HOT COLD C. No movement D. HOTHOT

Chemistry
1 answer:
drek231 [11]3 years ago
6 0

Answer: Option (B) is the correct answer.

Explanation:

Thermal energy is defined as the energy present within the molecules of a substance.

Also, when two objects that have different temperature and they are in contact with each other then heat will always flow from hot object to cold object.

For example, if a metal spoon is placed in a hot cup of coffee then heat will flow from hot coffee to the metal spoon.

Therefore, we can conclude that during heat transfer, thermal energy always moves in the same direction: HOT COLD.

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The molal boiling-point and freezing-point constants are different for different solvents.
RoseWind [281]

Answer:

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Explanation:

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3 years ago
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What causes pressure inside an inflated soccer ball?
ioda

Answer:

A

Explanation:

Ball bounces because of the difference in the air pressure on the outside of the ball, and opposite the point of impact, and the pressure inside of the ball. This means that the inside of the ball now has less space to contain the air molecules contained inside the ball, increasing the pressure inside the ball.

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Calculate the number of moles in 24.18 liters of neon gas at STP.
uranmaximum [27]

The number of moles of Neon gas : 1.079

<h3>Further explanation</h3>

Given

24.18 Liters of Neon gas at STP

Required

The number of moles

Solution

There are 2 conditions that are usually used as a reference in chemical calculations (mainly for determining the volume per mole of a gas or the molar volume), STP and RTP

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So mol for 24.18 L :

= 24.18 : 22.4

= 1.079 moles

8 0
3 years ago
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Fynjy0 [20]

Answer:

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Explanation:

5 0
3 years ago
For a different reaction, the plot of the reciprocal of concentration versus time in seconds was linear with a slope of 0.056 M-
Bond [772]

Answer:

C_t=0.165M

Explanation:

From the question we are told that:

Slope K=0.056 M-1 s -1

initial Concentration C_1=2.2M

Time t=100

Generally the equation for Raw law is mathematically given by

\frac{1}{C}_t=kt+\frac{1}{C}_0

\frac{1}{C}_t=0.056*100+\frac{1}{2.2}_0

C_t=0.165M

4 0
3 years ago
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