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mixas84 [53]
3 years ago
7

In your lab group, you are in investigating the properties of matter. Your teacher gives you several unknown substances to ident

ify. Select ALL of the PHYSICAL properties that might help you differentiate between the unknowns.
A: Color
B: Texture
C: Flammability
D: Boiling point
E: Reaction with acid
Chemistry
2 answers:
yulyashka [42]3 years ago
6 0
A B and D
Explanation: I got it right on USATP
DIA [1.3K]3 years ago
6 0

A B and D

Explanation: I got it right on USATP

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Calculate the amount of heat required to raise the temperature of a 24 g sample of water from 9°C to 23°C.
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Answer:

1400KJ/mol⁻¹

Explanation:

Amount of heat required can be found by:

Q = m × c × ΔT

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Q = 24 × 4.2 × (23 - 9)

= 24 × 4.2 × 14

=   1411.2KJ/mol⁻¹

= <u>1400KJ/mol⁻¹</u>  (to 2 significant figures)

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d and d

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What is the compound of KCN called
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Potassium Cyanide, is the compound of KCN.
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Answer:

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C)  Transition Metal

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Hope This Helps

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