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Lana71 [14]
2 years ago
11

A chemical change takes place when

Chemistry
2 answers:
navik [9.2K]2 years ago
7 0

Answer:

2 ways in which a weather satellite can orbit the earth

Explanation:

Mama L [17]2 years ago
6 0

Answer:

d

Explanation:

the substance is being changed

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finlep [7]

Answer: first blank is heating second blank is pressure i think but i know that its NOT freezing

Explanation:

I did it and got it right

4 0
3 years ago
Which spheres are interacting when a volcano irrupt and gas is released into the air
Lisa [10]
The geosphere and the atmosphere
5 0
3 years ago
A bag of fertilizer is labeled 10-20-20. What is the actual percentage of phosphorus in the fertilizer?
aleksandr82 [10.1K]

Answer:

20% of phosphorus

Explanation:

A fertilizer is used to improve the fertility of soils. Most fertilizers contains the element nitrogen, phosphorus and potassium.

They are often designated NPK fertilizers.

  Now we know that the numbers 10-20-20 depicts the nitrogen-phosphorus and potassium content of the fertilizer.

From the designation,

    The actual percentage is 20% of phosphorus.

                                               10%  of nitrogen

                                                20% of potassium

8 0
3 years ago
A sample of an ideal gas has a volume of 2.21 L at 282 K and 1.03 atm. Calculate the pressure when the volume is 1.84 L
PIT_PIT [208]

Answer:

1.33 atm

Explanation:

use general gas equation P1 V1/ T1 = P2 V2/ T2

rearrange and make P2 the subject then solve,it should give you 1.33 atm

3 0
3 years ago
Which of the following elements is least likely to form a cation that will then form an ionic bond with an ion of a Group 7A ele
dexar [7]
F because it NEVER forms any cations in chemical reactions
8 0
3 years ago
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