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AnnZ [28]
3 years ago
13

Study the diagram below to the following question.which of the above images is a molecule?

Chemistry
1 answer:
kotegsom [21]3 years ago
4 0
I can help you I just need the image

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Given the unbalanced equation: PbCl₂ + Na₂CrO₂ ---> PbCrO₂ + NaCl. When properly balanced, the sum of the balancing coefficie
Veronika [31]

Answer:

A. 2

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3 0
3 years ago
Which characteristic of a substance is considered a chemical property?
slavikrds [6]
B. It’s reactivity.
8 0
2 years ago
Help please. I only need the concepts.
melomori [17]

Boyle’s = increase as volume decreases

Charles = increases and pressure increases

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5 0
3 years ago
SOMEONE HELP MEEEE
slavikrds [6]
These are not questions but the directions or guide to completing your assignment.

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8 0
3 years ago
Read 2 more answers
1.What is the specific heat capacity of granite when 20 kg absorbs 237 000 J of heat energy, causing its temperature to increase
Natalka [10]

<u>Given</u> :

  • Amount = 20 kg
  • Heat energy absorbed = 237,000 J
  • Temperature change = 15 °C

<u>Formula applied</u> :

\boxed {Q = mc \triangle T}

  • Q = absorbed heat
  • m = mass
  • c = specific heat capacity
  • ΔT = temperature change

Let's solve for c !

⇒ 237,000 = 20 × c × 15

⇒ c = 237,000 ÷ 300

⇒ \boxed {c = 790 J kg^{-1} K^{-1}}

∴ The specific heat capacity of granite is <u>790 J kg⁻¹ K⁻¹</u>.

5 0
2 years ago
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