3 years ago

Among pattasium and calcium which is more reactive ,why

Chemistry

1 answer:

Wittaler [7]3 years ago

3 0

Answer:

Calcium is more reactive

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Rom4ik [11]

Answer:

D. 18.7 grams

Explanation:

The coefficients are the key.

Create a proportion with them, and the molar mass, and then solve for x:

$\frac{2}{3} = \frac{x}{28} \\ 3x = 2(28) \\ 3x = 56 \\ x = 18.666... = 18.7$

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4 years ago

What volume is occupied by 2.719 x 1013 moles of methane gas, CH4?

slamgirl [31]

Answer:

6.5256×10¹⁴

Explanation:

n= v/24

v= n×25

v= 2.719×10¹³ × 24= 6.5256×10¹⁴ moles/dm³

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3 years ago

The number carbon atoms represented by the formula CaC2O4 is A. 6 B. 8 C. 2 D. 4

Anni [7]

Answer:

It is 6

Explanation:

Because for every carbon there are 6 atoms and in this equation there is only one carbon

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4 years ago

What solutions would you propose to a car manufacturer if its car rated poorly in a crash test? Please explain your answer.

scoundrel [369]

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3 years ago

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would you like to explore outer space? Why or why not? If you could travel to any part of the galaxy at lightning speed would li

morpeh [17]

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Yes!

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I think It would be fun!, Going thought space going from planet to planet. once i get back to earth i can make a document about my time in space.

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3 years ago

Among pattasium and calcium which is more reactive ,why​

Among pattasium and calcium which is more reactive ,why