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never [62]
2 years ago
13

How do chemicals hurt our environment

Chemistry
2 answers:
Ilya [14]2 years ago
6 0

Answer:also depending on the chemicals. So basically EXCESSIVE or misuse of chemicals can be harmful by getting into the air , water, animals etc.

Explanation:

goblinko [34]2 years ago
5 0
Chemicals can enter the air, water, and soil when they are produced, used or disposed
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1. A contour line represents a single equal elevation: that is, all points on the same contour line have the same elevation.
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The answer is hard to give without any information.
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1 year ago
Complite the following reactions. NaOH(aq)+FeBr3(aq)→
stira [4]

Answer:

3NaOH+FeBr3>3NaBr+

Fe(OH)3

Explanation:

After writing the equation it has to be balanced

8 0
3 years ago
Part E
AlekseyPX

Answer: similar, energy

Explanation: (edmentum answer) Several of the elements in period 5 have electron configurations with only one electron in the 5s sublevel. That suggests that the next sublevel that electrons typically fill, 4d, is not much higher in energy.

3 0
3 years ago
A silver cube with an edge length of 2.42 cm and a gold cube with an edge length of 2.75 cm are both heated to 85.4 ∘C and place
kakasveta [241]

Answer:

Explanation:

Volume of silver cube = 2.42³ = 14.17 cm³

mass of silver cube = volume x density

= 14.17 x 10.49 = 148.64 gm

Volume of gold cube = 2.75³ = 20.8  cm³

mass of gold cube =  20.8 x 19.3 = 401.44 gm

specific heat of silver and gold are .24 and .129 J /g°C

mass of 112 mL water = 112 g

Heat absorbed = heat lost = mass x specific heat x temperature fall or rise

Heat lost by metals

= 148.64 x .24 x ( 85.4 -T) + 401.44 x .129 x ( 85.4 - T )

= (35.67 + 51.78 ) x ( 85.4 - T )

87.45 x ( 85.4 - T )

= 7468.23 - 87.45 T

Heat gained by water

= 112 x 1 x ( T - 20.5 )

= 112 T - 2296

Heat lost = heat gained

7468.23 - 87.45 T = 112 T - 2296

199.45 T = 9764.23

T = 48.95° C

7 0
3 years ago
Cassady? you there ?
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Answer:

who da hell is cassady?

Explanation:

8 0
3 years ago
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