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ivanzaharov [21]
3 years ago
13

PLEASE HELPPP NEED IT BAD GOD BLESS YOU PLSS

Chemistry
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

Let Me Bless You And Pray For You Dear Jesus Bless This Kid With The Right Answer He Needs You Help Him Please Father Do So Please.

Explanation:

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Test Your Hypothesis by Doing an Experiment
Your experiment tests whether your prediction is accurate and thus your hypothesis is supported or not. It is important for your experiment to be a fair test.
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A teacher mixed zinc with hydrogen chloride in a flask and quickly attached a ballon over the mouth of the flask what most likel
USPshnik [31]
Probably inflated the balloon due to the pressure created inside?
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How do protons determine element identity
Butoxors [25]

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The number of protons also determines the identity of the element. ... Since the atom is electrically neutral, the number of electrons must equal the number of protons.

4 0
3 years ago
The value of ΔH for the reaction below is -72 kJ. __________ kJ of heat are released when 1.0 mol of HBr is formed in this react
eimsori [14]

Answer:

36 KJ of heat are released when 1.0 mole of HBr is formed.

Explanation:

<em>By Hess law,</em>

<em>The heat of any reaction  ΔH  for a specific reaction is equal to the sum of the heats of reaction for any set of reactions which in sum are equivalent to the overall reaction:</em>

H 2 (g) + Br 2 (g) → 2HBr (g)         ΔH = -72 KJ

This is the energy released when 2 moles of HBr is formed from one mole each of H2 and Br2.

Therefore, Heat released for the formation of 1 mol HBr would be half of this.

Hence,

ΔHreq = -36 kJ

36 KJ of heat are released when 1.0 mole of HBr is formed.

4 0
3 years ago
Question 1 (1 point)
andrezito [222]

Answer:

  1. <u>True</u><u> </u>
  2. <u>B</u><u>.</u><u> </u><u>24</u><u> </u><u>hours</u><u> </u>
  3. <u>Light</u><u> </u><u>and</u><u> </u><u>Dark</u><u> </u>
  4. <u>A</u><u>.</u><u> </u><u>To</u><u> </u><u>spin</u><u> </u><u>on</u><u> </u><u>an</u><u> </u><u>Axis</u><u> </u>
  5. <u>True</u><u> </u>
  6. <u>Nearest</u><u> </u><u>P0INTS</u><u> </u>
  7. <u>B</u><u>.</u><u> </u><u>365</u><u> </u><u>days</u><u> </u>
  8. <u>True</u><u> </u>
  9. <u>A</u><u>.</u><u> </u><u>January</u><u> </u>
  10. <u>B</u><u>.</u><u> </u><u>July</u><u> </u>
  11. <u>Summer</u><u> </u>
  12. <u>B</u><u>.</u><u> </u><u>T</u><u>he tilt of the Earth on its axis</u>
  13. <u>True</u><u> </u>
  14. <u>¿</u><u>-</u><u>¿</u>
  15. <u>¿</u><u>-</u><u>¿</u>
  16. <u>B</u><u>.</u><u> </u><u>June</u>
  17. <u>A</u><u>.</u><u> </u><u>September</u><u> </u>
  18. <u>B</u><u>.</u><u> </u><u>December</u><u> </u><u>and</u><u> </u><u>March</u><u> </u>

Explanation:

Sorry yan lang alm but I hope it helps

<h2><u>#CARRYONLEARNING</u><u> </u></h2><h2><u>#STUDYWELL</u><u> </u></h2>
5 0
3 years ago
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