3 years ago

Isotopes of the same element vary from each other in their number of:

Chemistry

1 answer:

Lina20 [59]3 years ago

5 0

Answer: Neutrons vary from each other in their element

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Which of these contains generic material but is not classified as living?

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Viruses are not classified as being alive in because of the fact that they can't reproduce.

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Which element is classified as a

Yuki888 [10]

Answer: Boron

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3 years ago

The temperature of 15.71 grams of gold rises from 32°C to 1,064°C, and then the gold melts completely. If gold’s specific heat i

antoniya [11.8K]

Answer:Total energy gained by 15.71 g is 3090.6471 joules

Explanation:

Given:

Q = heat gained by the 15.71 gram mass of gold

$Q=mc\Delta T +m\Delta H_{fusion}$

$\Delta T=(T_{final}-T_{initial})=(1064^oC-32^oC)=1032^oC$

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m = mass of gold =15.71 g

$Q=15.71 g\times 0.1291 joules/gram^oC (1032^oC) +15.71 g\times 63.5 Joules/gram$

Heat gained by gold = $2093.0621 Joules + 997.585 Joules$

=3090.6471 joules

6 0

3 years ago

PLEASE HELP, 5 STARS, 35 POINTS + PRIZE The reaction C4H8(g)⟶2C2H4(g) has an activation energy of 262 kJ/mol. At 600.0 K, the ra

Ghella [55]

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346 hope this is helpfull

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4 years ago

Plz help it’s due very soon

Setler79 [48]

Answer:

192g

Explanation:

so for this find out there moles of CH4 by moles=mass/mr

48/16=3 then use molar ratio 1:2 so times it by 2 which is 6 moles. then uses mass =moles*mr so 6*32=192g is the answer hope this helps to understand.

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3 years ago

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