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nevsk [136]
4 years ago
12

Heat = _____of energy due to a ________difference;

Chemistry
1 answer:
Andru [333]4 years ago
7 0

Heat = "A source" of energy due to a "temperature" difference.

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Which of the following statements is not a description of neptune?
KIM [24]
The appropriate answer is B. Has no atmosphere. Neptune is a gas giant and is the eight planet in the solar system. It has a thick atmosphere consisting of hydrogen, helium and methane. Neptune has at least eight moons with Triton being the largest.

Neptune has four rings which circle the planet. The rings are made of dust particles, similar to the rings of Saturn.
6 0
4 years ago
Read 2 more answers
How many moles of water are represented by 8.33×10^18 molecules of water​
DENIUS [597]

Answer:

number of moles of water (n) = 1.383 x10 ⁻⁵ mol

Explanation:

Data Given:

No. of molecules of water =  8.33×10¹⁸

No. of Mole of water = ?

Formula Used to calculate

no. of moles = numbers of particles (ions, molecules, atoms) /Avogadro's number

Avogadro's no. = 6.023 x10²³

So the formula could be written as

                no. of moles (n) = no. of molecules of water /6.023 x10²³

Put the values in above formula

                 no. of moles (n) = 8.33×10¹⁸ /6.023 x10²³

                  no. of moles (n) = 8.33×10¹⁸ /6.023 x10²³

                  no. of moles (n) = 1.383 x10 ⁻⁵

so  1.383 x10 ⁻⁵ moles of water are represented by  8.33×10¹⁸ molecules of water.

   

7 0
3 years ago
True or false: Observing a physical property of a substance will change the substances' identity I NEEED HELLLPPPPP NOOOWWWW !!!
andrew11 [14]

Answer:

false

Explanation:

a physical property can be observed and stay the same but a chemical property can't

8 0
4 years ago
What is the work done when a force of 5 N is applied to a ball and it moves 8000 cm?
kolezko [41]

Answer:

Explanation:Given;

applied force, F = 8000 N

time of force application, t = 15 s

Work done is given as the product of force and displacement. Since the car is unable to move, then the displacement is zero and the work done is zero.

Work done = Force x displacement

Work done = 8000 N x 0

Work done = 0

Therefore, the work done is zero.

3 0
3 years ago
suppose you mix 100.0 g of water at 22.6 oc with 75.0 g of water at 75.4 oc. what will be the final temperature of the mixed wat
Arada [10]

The temperature of mixed water is 45.230C under the conditions stated.

<h3>How can the change in temperature when mixing water be calculated?</h3>

T(final) = (m1 T1 + m2 T2) / (m1 + m2), at which m1 and m2 are indeed the weight training of the water in the initial and 2nd canisters, T1 is the water temperature in the first container, and T2 is the water temperature in the second container, can be used to determine the final the water's temperature mixture.

<h3>Briefing:</h3>

The given parameters;

mass of the cold water, m = 100 g

initial temperature of the water, t₁ = 22.6 ⁰C

initial temperature of the hot water, t₂ = 75.4⁰ C

75 g is the hot water's mass.

specific heat capacity of water is 4.184 J/g⁰C

The mixture's final temperature is estimated as follows;

Based on the principle of conservation of energy;

Heat received by the ice water equals heat lost by the hot water.

mcΔθ₂ = mcΔθ₁

75 x 4.184 x (75.4 - T) = 100 x 4.184 x (T - 22.6)

75 x (75.4 - T) = 100 x (T - 22.6)

(75.4 - T) = 1.333(T - 22.6)

75.4 - T = 1.333T - 30.1258

75.4 + 30.1258 = 1.333T + T

105.5258 = 2.333T

T = 45.2318⁰C

To know more about temperature visit :

brainly.com/question/29386637

#SPJ4

5 0
2 years ago
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