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elena55 [62]
3 years ago
13

What is the final temperature of a system if 10.0 grams of cold water, originally at 10°C is mixed with 120.0 grams of hot water

, originally at 77.0°C?
A. 83.1°C
B. 100.0°C
C. 71.8 °C
D. 95.1°C
Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
3 0
D because I did it on my test
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2. Calculate how many moles of H2 would be produced if 0.250 mol of Fe reacts completely. (1 mark)
den301095 [7]

Hey there!:

Balanced Equation , for the reaction:

3 H₂SO₄(aq) + 2 Fe(s) → Fe₂(SO₄)₃(aq) + 3 H₂(g)

2 moles Fe ---------------------------------- 3 moles H₂

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____________________________________________

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Which characteristic of a substance is considered a chemical property?
satela [25.4K]

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reactivity

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a chemical reacting to another chemical is considered a Chemical property because chemicals react with other chemicals differently

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