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slavikrds [6]
3 years ago
15

Help me I promise if you answer all of this first and correctly and I get a good grade i will answer all of your question and I'

ll put you brainliest only if you could answer this first and all of it correctly.

Chemistry
1 answer:
Tomtit [17]3 years ago
8 0

Answer:

9. true

10. a.

5.  a.

7.  a

8.  d.

14. c.

15. d.

11.  false

12.  true

13.  a.

hopethishelps

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A changing magnetic field produces an electric field with open loop field lines.
Dimas [21]

Answer:

True

Explanation:

A changing magnetic field induces a current in a conductor. For example, if we move a bar magnet near a conductor loop, a current gets induced in it.

8 0
3 years ago
2 Equation on chemistry that I have been struggling with, needed some assistance
crimeas [40]

Answer:

2. Copper (II) carbonate plus sulfuric acid produces copper (II) sulfate and carbon dioxide and water.

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3. Calcium hydroxide plus carbon dioxide gas produces calcium carbonate and water.

7 0
3 years ago
Which of the following processes does our Sun and other stars in our galaxy use to create energy?
Usimov [2.4K]

Answer:

fusion reaction

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Explanation:

hope this helps

5 0
3 years ago
Natalia dipped two feathers in oil. Then she dipped one feather in cold water and the other feather in hot water. She swirled bo
Alika [10]

Answer:

The hot water was better for removing the oil.

Explanation:

You can see that because the mass went down more with the hot water. So, that means that more oil was taken out of the feather with hot water.

8 0
2 years ago
What is the frequency of 3.98 x 10^-77 
LekaFEV [45]

Answer:

What is the frequency of a 6.9 x 10-13 m wave? 3.00 x 108 = 6.9x10-13 mly). GAMMA. V = 4.35 x 10 20 5-11. 3. What is the wavelength of a 2.99 Hz wave?

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Explanation:

5 0
3 years ago
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