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lozanna [386]
3 years ago
8

A hypothesis is made before the experiment is conducted. True or fasle

Chemistry
1 answer:
Viefleur [7K]3 years ago
5 0

It should be at beginning. A hypothesis is called an educated guess of what might happen in the experiment.

Please brainliest

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What is the function of stomata in plants?
melomori [17]

Answer:

Small holes in plants that allow carbon dioxide in and oxygen and water vapor out

Explanation:

Stomata are tiny holes that open and close for the plant to breathe.

6 0
3 years ago
What is the speed of a man walking for 30 meters and he walked for 5 seconds ​
aliya0001 [1]

Answer:

<h2>6 m/s</h2>

Explanation:

The speed of the man can be found by using the formula

v =  \frac{d}{t}  \\

d is the distance

t is the time taken

From the question we have

v =  \frac{30}{5}  \\

We have the final answer as

<h3>6 m/s</h3>

Hope this helps you

8 0
3 years ago
After being thoroughly stirred at 10.°C, which mixture is heterogenous?(1) 25.0 g of KCl and 100. g of H2O
zheka24 [161]
The answer is (2) KNO3. This depends on the solubility of these four compounds at 10℃. For NaCl, it is 35.8 g, For NaNO3, 80.8 g. KCl, 31.2 g. KNO3, 21.9g. So only KNO3 is less than 25.0 g.
5 0
3 years ago
One __________ of a substance contains the same number of molecules/atoms as in 12 grams of carbon 12
mash [69]

Answer:

"mole"

Explanation:

That is the definition of mole. Mole is a unit for the measurement of how much there is of something. In other words, in SI, 1 mol of a substance contains the same number of molecules/atoms as in 12 grams of carbon 12.

(Approximately 6.28 × 10^23 --> Avogadro's constant)

For further explanation, check out Wikipedia's article here:

https://en.m.wikipedia.org/wiki/Mole_(unit)

4 0
4 years ago
A 1-liter bag of iv solution would contain how many cubic centimeters of fluid?
weeeeeb [17]
A 1-liter bag of IV solution would contain how many cubic centimeters of fluid?

1000 cc
8 0
3 years ago
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