3 years ago

Hich type of formula represents the simplest whole-number ratio of atoms of the elements in a compound?

Chemistry

1 answer:

klasskru [66]3 years ago

8 0

I believe it is "empirical formula"

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Help me please !! How to solve it ??

snow_tiger [21]

1st one= CaO +H2O=Ca(OH)2
product side-
Ca=1
O=2
H=2
Reactant side-
Ca=1
O=2
H=2
The first one is balanced for you
There is 1 calcium on each side 2 oxygens on each side and 2 hydrogens on each side

6 0

3 years ago

The rate constant for the second-order reaction: 2NOBr(g) → 2NO(g) + Br2(g) is 0.80/(M · s) at 10°C. Starting with a concentrati

a_sh-v [17]

Answer : The concentration of NOBr after 95 s is, 0.013 M

Explanation :

The integrated rate law equation for second order reaction follows:

$k=\frac{1}{t}\left (\frac{1}{[A]}-\frac{1}{[A]_o}\right)$

where,

k = rate constant = $0.80M^{-1}s^{-1}$

t = time taken = 95 s

[A] = concentration of substance after time 't' = ?

$[A]_o$ = Initial concentration = 0.86 M

Now put all the given values in above equation, we get:

$0.80=\frac{1}{95}\left (\frac{1}{[A]}-\frac{1}{(0.86)}\right)$

[A] = 0.013 M

Hence, the concentration of NOBr after 95 s is, 0.013 M

4 0

3 years ago

Suppose you are trying to find the volume of a box based on the following measurements for the length, width, and height of the

Dahasolnce [82]

Answer:

87.78 in cubed

Explanation:

excuse me if I am wrong i tried my best

don't know if its right

5 0

3 years ago

what would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?

nignag [31]

Answer:

0.43M

Explanation:

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3 years ago

Explain why is it a good idea for the eco-house to have both a wind turbine and solar panels?

mina [271]

Answer:

Explanation:

Wind is more of an efficient power source than solar. Compared to solar panels, wind turbines release less CO2 to the atmosphere, consume less energy, and produce more energy.

8 0

3 years ago