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Ivahew [28]
3 years ago
12

An independent variable is what you___in an experiment. (There are no selections so please just answer it)

Chemistry
1 answer:
yaroslaw [1]3 years ago
8 0

Answer:

Don’t change, keep the same

Explanation:

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What characteristic is descriptive of a solution?
balandron [24]
Answer:

homogeneous


Explanation :

<span>composed of parts or elements that are all of the same kind; not heterogeneous. Uneven and fixed are out of the subject and do not make since.</span>
7 0
3 years ago
The temperature of a system rises by 45°C during a heating process. Express this rise in temperature in Kelvin. (Round the final
postnew [5]

Answer:

45K

Explanation:

Rise in temperature = Final - initial temperature.

temperature in K = Temperature in Celsius + 273

for Celsius; T2 -T1 =45°C

for kelvin; T2+273 -(T1+273) = ?

                T2+273 -T1-273 =?

                T2-T1 = ?

               T2-T1 =45k

hence ΔT(K) = ΔT(°C) (temperature difference in Celsius is equal to temperature difference in kelvin)

4 0
3 years ago
Despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided, you should be
navik [9.2K]

Answer:

G<0, spontanteous

H<0, from equation

S>0, gas to solid

Explanation:

The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2. Water vapor readily adsorbs onto the surface of silica gel, so it acts as a desiccant. Despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided, you should be able to make an educated guess about the thermodynamic characteristics of the process. Predict the signs of ΔG, ΔH, and ΔS.

G<0, spontanteous

H<0, from equation

S>0, gas to solid

8 0
3 years ago
Which one of the following
mariarad [96]

Answer:

5

Explanation:

6 0
3 years ago
If the Earth had no tilt, how would that affect our seasons? I will give branliest to first comment
Aleks [24]

Answer:

in my opinion it wouldn't be regular seasons like what we have now it would be equal in every poles .. there would not be ice in North. [its my opinion though] sorry if I am wrong

6 0
3 years ago
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