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Len [333]
3 years ago
13

The only metal that exists as a liquid at room temperature is

Chemistry
1 answer:
babymother [125]3 years ago
5 0

Answer:

Mercury

Explanation:

This is the only metal that exists as a liquid at room temperature

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If 585.24 Joules of heat are added to 53.2 grams of water at 24.15oC, what will the new temp. be?
spayn [35]
E = mct
Energy = (mass) x (specific heat capacity of water) x (change in temp)

585.24 = 53.2 x 4.2 x (X-24.15)


585.24 divided by 53.2 divided by 4.2 = X - 24.15

2.62 = X - 24.15

X= 26.77degrees C

(Specific heat capacity for water is 4.2 but is different for other liquids)
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3 years ago
A sample of gas occupies 0.04 L at 150 K. What volume does that sample occupy at 300 K?
Natalka [10]
C.
hope this helps :)
8 0
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An air conditioning unit turns off once it reaches its goal temperature. The house warms up and the air conditioning unit turns
-Dominant- [34]

Answer:

D ) feedback

Explanation:

When we use an air conditioner, it get turn off when reaches its required temperature and when the house warm up the air conditioning unit turns on again, that is an example of feedback.

The given condition is an example of negative feedback because in negative feedback, any change in the input is opposed by generating an output. Here also,  warming up of house (change in one direction) allows the air conditioning unit turns  on and it gives cool air (opposing that change).

Hence, the correct option is "D".

4 0
3 years ago
Q1.what is irragation​
Oduvanchick [21]

Answer:

Irrigation is the artificial process of applying controlled amounts of water to land to assist in production of crops. Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall.

5 0
3 years ago
Read 2 more answers
what process of chemical reactions that works together to build things ,such as creating molecules from atoms
nordsb [41]

Answer:

synthesis

it's the reaction of bringing two atoms into one

Na + Cl --> Nacl

or more generally

A + B --> AB

7 0
2 years ago
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