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maks197457 [2]
3 years ago
6

Which part of a hypothesis should the student add to this that could also be tested in other experiments?

Chemistry
2 answers:
Fittoniya [83]3 years ago
6 0

Answer:

an explanation based on prior scientific knowledge or observations

Explanation:

Nat2105 [25]3 years ago
5 0
If and then statement
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Numerous elements are dissolved in sea water in trace quantities. <br> True <br> False
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Which process releases the most heat?
yaroslaw [1]

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the boiling of 10g of liquid water

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What color offspring did you get when you crossed a brown "BB" rabbit to a white "bb" rabbit?
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3 years ago
If 765 mL of a gas at 2.78 atm, has the volume Change to 2.47 L , What is the pressure of the
vampirchik [111]

Answer:

<h2>0.87 atm </h2>

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new pressure

P_2 =  \frac{P_1V_1}{V_2}  \\

From the question

2.47 L = 2470 mL

We have

P_2 =  \frac{765 \times 2.78}{2470}  =  \frac{2142}{2470}  \\  = 0.867206...

We have the final answer as

<h3>0.87 atm</h3>

Hope this helps you

3 0
3 years ago
The coldest temperature ever recorded on Earth was -128.6°F (recorded at Vostok Station, Antarctica, on July 21, 1983). Express
Sever21 [200]

Answer : The correct option is, -89.2^oF\text{ and }183.9K

Explanation :

The conversion used for the temperature from Fahrenheit to degree Celsius is:

^oC=(^oF-32)\times \frac{5}{9}

where,

^oF = temperature in Fahrenheit

^oC = temperature in centigrade

The conversion used for the temperature from degree Celsius to Kelvin is:

K=273.15+^oC

where,

K = temperature in Kelvin

^oC = temperature in centigrade

As we are given the temperature in Fahrenheit is, -10

Now we have to determine the temperature in degree Celsius.

^oC=(^oF-32)\times \frac{5}{9}

^oC=(-128.6^oF-32)\times \frac{5}{9}

^oC=-89.2

Now we have to determine the temperature in Kelvin.

K=273.15+^oC

K=273.15+(-89.2^oC)

K=183.9

Therefore, the temperature in degree Celsius and Kelvin are, -89.2^oF\text{ and }183.9K

7 0
3 years ago
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