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maw [93]
3 years ago
6

20 points!!!!!!!!!!!!!!! And I will mark as brainliest!!!!

Chemistry
1 answer:
STatiana [176]3 years ago
4 0
If you were to microwave a bowl of soup for too long and you burn your hands as you remove the bowl from the microwave, the heat transfer that would be demonstrated would be called: conduction. Conduction occurs when heat from one substance comes in contact in another substance. Just like when heat from the bowl came in contact with your hand. 
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at a given tempature gas with a pressure of 150 kpa has volume of 0.8 l if the pressure decreases to 75kpa and the temperature r
vova2212 [387]
  <span>P*V/T=constant 
so P*V= constant*T 
if T doesn't change then 
P*V= constant 
so 150kPa*0.8L=75kPa*xL 
xL=150kPa*0.8L/75kPa=1.6L 
hope it help</span>
8 0
3 years ago
Jim drops an iron magnet during a chemistry lab experiment. He finds that it is no longer magnetic. What has happened in terms o
jok3333 [9.3K]

Answer: option A.

A physical change occurred in which the iron remained iron, but lost one of its physical properties

Explanation: magnetization and demagnetization is a physical change as no new substance is form and it is easily reversed. When an iron rod is magnetized, it can loss it magnetic property by hitting it. So when an iron rod which is magnetized falls from a height it can also loss its magnetic property

4 0
3 years ago
Read 2 more answers
EVIDENCE NOTEBOOK
BARSIC [14]

Answer:

Your body temperature would decrease

Explanation:

4 0
2 years ago
Decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical
stepladder [879]

The compound formed by chlorine and barium is BaCl_2 as the number of valence electrons in barium is 2 and in chlorine is 1. In this compound, barium acts as a cation and chlorine acts as an anion. The formation of the compound is as shown in the image.

Since, barium is an element of Group-2 (alkaline earth metal) so the other element that has a chemical formula most and least similar to the chemical formula of the compound formed by chlorine and barium should be from Group-2 (alkaline earth metal) only which has properties somewhat like barium. So, the element is strontium.

Strontium forms a compound with formula SrCl_2 in which strontium acts as a cation and chlorine acts as an anion. The formation of the compound is as shown in the image.

5 0
3 years ago
Why do scientists use a mortar and pestle?
postnew [5]

Due to increase the surface area of a solute.

Hope this helps have a very good dayyyyyy.........

6 0
2 years ago
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