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mart [117]
3 years ago
5

Today is Earth day. What is one thing that you can do at school or at home to help protect our home, planet Earth?

Chemistry
1 answer:
omeli [17]3 years ago
7 0
You can start by recycling plastic and paper more often! Pick up trash that you see laying in the street and don’t add to it by littering!
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a hot air balloon has a volume of 875L. what is the original temperature of the balloon if its volume changes to 955 L when heat
soldi70 [24.7K]

Answer:

using Charles law

v1/t1= v2/ t2

Explanation:

875/t1=955/56+273

t1= 329* 875/955

t1= 302.82k

4 0
3 years ago
If the actual yield of sodium chloride from the reaction of
lions [1.4K]

If the actual yield of sodium chloride from the reaction of 8.3 g of sodium and 4.5 g of chlorine is 6.4 g, what is the percent yield?

 

Answer : 2Na(s) + Cl2(g) → 2NaCl(s)

Explanation: Friend me!!!

7 0
3 years ago
How many electrons does hydrogen need in order to have a full shell of valence electrons?
eimsori [14]

Answer:

It only needs one electron.

6 0
3 years ago
What are the products of photosynthesis?
77julia77 [94]
Carbon dioxide and water pretty sure
8 0
3 years ago
Read 2 more answers
Explain where the water that collects on the outside of a cold drink on a hot day comes from.
krok68 [10]

Answer:

It is because water molecules in the air condensed on to the container of the drink.

Explanation:

The way this works is the water molecules outside are hot and in the gas state, so when they come into contact with the cold side of the container they lose energy due to heat transfer between the molecules and the container, becoming a liquid on the side of the drink.

4 0
3 years ago
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