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Assoli18 [71]
3 years ago
8

Heat 22.6 g of titanium from 1420oC to 1590oC

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

Answer:

<u>1997.84</u>

Explanation:

(22.6g)(.52J/gC)(170C)

eliminate the respective variables

and you will only have Joules left

multiply it all

u get 1997.84

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Calculate the new volume of 1.23 mL of a gas at 32 C is subjected to drop in temperature of 20 degrees Celsius
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1,15mL = V₂

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Based on Charle's law the volume is directely proportional to the absolute temperature in a gas under constant pressure. The equation is:

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8 0
2 years ago
which are correct formulas for ionic compounds? for those that are not correct, give the correct formula and justify your answer
galina1969 [7]

Answer:

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c. BaOH₂ is incorrect because the polyatomic ion OH would not be written that way. It would be written like this Ba(OH)₂. Writing it like BaOH₂ gives the impression that instead of having 2 OH it has 2 H and 1 O.

d. Fe₂O is incorrect because Fe either has a +2 charge or +3 charge while O has a -2 charge. Possible correct answers could be FeO (iron (II) oxide) or Fe₂O₃ (iron (III) oxide).

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3 years ago
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