1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature of 3.4°C. The heat of reaction, ∆H for CaCI2 in kj per mole is?

(Ca = 40, CI = 35.5, specific heat of water is 4.18 jk-1)

a

-71.1

b

-4.18

c

+71.1

d

+111.0

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a

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Discussions (20)

Kosdan
3 years ago
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Kenhinde
2 years ago

Pov: the 9 year ago girl didn't come back to check her past self post😅(na me get time...lol

stehllaN
2 years ago

The statement "caused a rise in temperature" indicates that heat was given off to the surrounding which is a characteristic of exothermic reactions.

Somto18
1 year ago

It's choked up so making it hard to understand unless u calm down

Anela
1 year ago

Goodday...
Pls again,I know it's last minute but pls🥹 Myschool is it possible to simplify most of your explanations.
And make them clearer like the spacing and all that.

Thank you so much, you're really trying.🤗

Pris23ca
4 months ago

How is 1.1/111 =0.01??
it is supposed to be 0.009

Anzyumoh
3 years ago

Bro b using 50cm³ (V) in place of M... like wtf

Temiladehilary
2 years ago

1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature of3.4°C. The heat of reaction, ∆H for CaCI2 in kj per mole is?

darkypearl
11 years ago

ITS WRNG! U SED ITS ENDOTHERMIC AND U AV A MINUS SIGN,AW IS DS POSSIBLE?

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