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Sedaia [141]
3 years ago
12

What temperature does ice freeze

Chemistry
2 answers:
Gwar [14]3 years ago
8 0

Answer:

32°F

Explanation:

Water freezes at 32°F.

Vlad1618 [11]3 years ago
6 0

Answer:

At 0 celcius or 32 Fahrenheit

Explanation:

when you want to freeze a substance like water it has to be at that temperature 0 Celsius or 32 Fahrenheit. Also it's not at exact, for example you put the water in 0 celcius and it freeze ni wait a few minutes and it would be frozen.

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a ball with a mass of 20 kg is accelerating at 4 m/s/s while being thrown . about how much force was used to throw the ball
marta [7]

Answer:

<h2>80 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 20 × 4

We have the final answer as

<h3>80 N</h3>

Hope this helps you

8 0
3 years ago
Read 2 more answers
sample of atmospheric gas collected at an industrial site is stored in a 250 mL amber glass bottle that has a pressure of 1.02 a
Nady [450]

Answer:- New pressure is 0.942 atm.

Solution:- The volume of the glass bottle would remain constant here and the pressure will change with the temperature.

Pressure is directly proportional to the kelvin temperature. The equation used here is:

P_1T_2=P_2T_1

Where, T_1 and T_2 are initial and final temperatures, P_1 and P_2 are initial and final pressures.

T_1 = 20.3 + 273.15 = 293.45 K

T_2 = -2.0 + 273.15 = 271.15 K

P_1 = 1.02 atm

T_2  = ?

Let's plug in the values in the equation and solve it for final pressure.

1.02atm(271.15K)=P_2(293.45K)

P_2=\frac{1.02atm*271.15K}{293.45K}

P_2 = 0.942 atm

So, the new pressure of the jar is 0.942 atm.


5 0
3 years ago
A first order reaction has a rate
EleoNora [17]

Answer:

one-half

Explanation:

cuz for a first order reaction is a half life independent of concentration and constant over time

4 0
3 years ago
Are these two substances the same 1.96g/ml and 2.00g/ml
Zolol [24]

Answer:Water contains almost one thousand times more matter than the same volume of air would, therefore it is denser. ... If 500 mL of a liquid has a density of 1.11 g/mL, what is its mass? ... Density is the mass per unit of volume of a substance. ... A block of platinum with a mass of 4,290 kilograms has a volume of .2 cubic meters.

Explanation:

4 0
3 years ago
Read 2 more answers
The Earth's biosphere is consists of
r-ruslan [8.4K]

Answer:

The Earth's bioshere consist of the parts of Earth where life exists. Ecosystems.

Explanation:

5 0
3 years ago
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