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OLga [1]
3 years ago
11

Which of the following is the best hypothesis?

Chemistry
1 answer:
Drupady [299]3 years ago
6 0

Answer:

THE CORRECT ANSWER IS A

sorry for caps

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Please help asap!!!!!
lozanna [386]
Reactant + reactant = product

C + O2 = CO2

carbon dioxide is what's being made is product
8 0
3 years ago
A balloon filled with air has a volume of 4.24 liters at 23.00°C. If the balloon is cooled at constant pressure to 5.00°C, what
Ierofanga [76]

Answer:

The new volume will be

0.7 L

Explanation:

This is an example of Charles' law, sometimes called the temperature-volume law. It states that the volume of a gas is directly proportional to the Kelvin temperature, while pressure and amount are held constant.

6 0
3 years ago
Give reasons. 1. There is interrelation between wildlife and vegetation 2. Various activities of the man have helped for the sur
nikitadnepr [17]

Answer:

Yes

Explanation:

4 0
3 years ago
Why atomic mass is an average vàlue​
lukranit [14]

Answer:

The atomic mass is the average number of protons and neutrons for all natural isotopes of an element. It is a decimal number.

Explanation:

Atomic Mass and Mass Number Example :

Hydrogen has three natural isotopes: 1H, 2H, and 3H. Each isotope has a different mass number.

1H has 1 proton. Its mass number is 1. 2H has 1 proton and 1 neutron. Its mass number is 2. 3H has 1 proton and 2 neutrons. Its mass number is 3. 99.98% of all hydrogen is 1H 0.018% of all hydrogen is 2H 0.002% of all hydrogen is 3H Together, they give a value of atomic mass of hydrogen equal to 1.0079 g/mol.

4 0
3 years ago
Read 2 more answers
Lynne is riding her bike at a speed of 22.55<br> km/hr. What is this speed in mi/min?
antiseptic1488 [7]

Answer:

0.2335320064 mi/min

Explanation:

1 km/h = 0.0103561865 mi/min

1 mi/min = 96.56064 km/h

For conversion:

22.55 km/hr = 22.55 x 0.0103561865 mi/min = 0.2335320064 mi/min

6 0
2 years ago
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