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Luba_88 [7]
2 years ago
8

5. Students hypothesize that temperature is a limiting factor for the germination of seeds. They carry out an experiment to

Chemistry
1 answer:
Lelechka [254]2 years ago
8 0

Answer:

keep adding to on each term its quit simple

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What is the simplest type of pure substance
Eduardwww [97]
The answer is: An atom
6 0
3 years ago
Write a balanced equation for the single-displacement reaction of Al(s) with CuSO4(aq). Include states of matter in your answer.
Alex Ar [27]

Answer:

2 Al(s) + 3 CuSO₄(aq) ⇒ 3 Cu(s) + Al₂(SO₄)₃(aq)

Explanation:

Let's consider the single displacement reaction of Al(s) with CuSO₄(aq). Copper has a higher reduction potential than aluminum, so aluminum will take the place of copper to form aluminum sulfate and metallic copper. The corresponding balanced chemical equation is:

2 Al(s) + 3 CuSO₄(aq) ⇒ 3 Cu(s) + Al₂(SO₄)₃(aq)

8 0
4 years ago
A sample of gas kept at a constant pressure, is heated from 273 k to 373 k. If the initial volume is 3.00 L, what is the new vol
zlopas [31]

Answer: 4.10 liters

Explanation:

Given that:

initial volume of gas V1 = 3.0L

initial temperature of gas T1 = 273K

new volume V2 = ?

new temperature T2 = 373K

Since, only volume and temperature are involved, apply the formula for Charle's law

V1/T1 = V2/T2

3.0L/273K = V2/373K

To get the value of Z, cross multiply

3.0L x 373K = 273K x V2

1119 = 273V2

Divide both sides by 273

1119/273 = 273V2/273

4.10L = V2

Thus, the new volume is 4.10 liters

6 0
3 years ago
An observation balloon was filled with 0.50 atmospheres of Helium, 54.0 mm Hg of Nitrogen, and 0.400 atmospheres of Hydrogen. Wh
noname [10]

Answer:

the pressure would be 0.9 atmospheres

Explanation:

you just gotta add the presures for each of the gases that are added

7 0
3 years ago
PLEASE HELP!!!!!<br><br> Calcium hydroxide is _____.<br><br> an acid<br> a base<br> a neutral
Bingel [31]
I believe it is a base!
4 0
3 years ago
Read 2 more answers
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