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kipiarov [429]
3 years ago
5

Outline postulates of planks quantum theory​

Chemistry
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

The energy emitted, is absorbed in small energy packets known as photons or quanta.

Energy is emitted in form of photo electric emission.

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True or False Photosynthesis and Cell Respiration are opposite reactions. Photosynthesis provides the molecules needed for cell
Bezzdna [24]
True but in more depth they both have the some same qualities in function but provide for each other when one makes oxygen, H2O, and energy and cellular respiration makes CO2 and glucose
6 0
3 years ago
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100.0 grams of sucrose (C12H22O11)is dissolved in 1.50 L of water. What is the molality?
Nitella [24]

Answer:

Molality = 66.67g/L

Explanation:

Mass of sucrose = 100g

Volume of water = 1.50L

Molality = mass of substance/ volume in L

Molality = 100 / 1.50

Molality = 66.67g/L

Molality of 100g of sucrose in 1.50L of water is 66.67g/L

8 0
4 years ago
Match the scientist with their scientific idea. Question 2 options: Substances combine or break apart to create new, different s
aev [14]

Answer:

1. Democritus - Matter was made of different kinds of things.

2. Bernoulli- Gases are formed from tiny particles so small you can’t see them. The particles are spread out into a certain area and move when people walk through them.

3. Priestley- Substances combine or break apart to create new, different substances.

Explanation:

1. Democritus was a philosopher who because of his immense contribution to atomic theory was regarded as the "FATHER OF SCIENCE". His idea was that matter was made of different kinds of things called which he called ATOMOS meaning ATOM.

2. Daniel Bernoulli was another outstanding mathematician and scientist who played a major part in the kinetic molecular theory of gases via his "HYDRODYNAMICA". His idea, which states that "gases are formed from tiny particles so small you can’t see them. The particles are spread out into a certain area and move when people walk through them"

was based on fluid dynamics.

3. Joseph Priestley is remarkably known for his 1774 discovery of oxygen. His findings that air is a mixture of gases and not just a substance made of one element paved the way for his idea that " Substances combine or break apart to create new, different substances".

4 0
3 years ago
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the answer is 28.38 i think

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3 years ago
Do you think precipitation has a greater impact on the rate of chemical weathering or mechanical weathering? Explain
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Greater rainfall has an greater increase on the rate of chemical weathering. Rain is a form of precipitation.

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3 years ago
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