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elena-s [515]
3 years ago
12

What is the percentage of propane in natural gas??

Chemistry
1 answer:
love history [14]3 years ago
4 0
It’s a gas which causes pollution which make people cough and die
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Is the equation above balanced or unbalanced? Explain? Worth 55 points.
Paul [167]

Answer:

For me, it is balanced

Explanation:

Because the amount of element Zn reaction is equal the production. Also as the amount of Hydrogen and Chloride in the reaction and the production are equal.

8 0
3 years ago
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What is the atomic weight of Na?
Zigmanuir [339]

Answer:

22.989769 u

Explanation:

The atomic weight of any atom can be found by multiplying the abundance of an isotope of an element by the atomic mass of the element and then adding the results together. This equation can be used with elements with two or more isotopes: Carbon-12: 0.9889 x 12.0000 = 11.8668. Carbon-13: 0.0111 x 13.0034 = 0.1443.

6 0
3 years ago
Aqueous acetic acid is neutralized by aqueous potassium hydroxide. True or False
liberstina [14]

Answer:

i think its true but I’m not sure

Explanation:

I know that they can. Be mixed

4 0
3 years ago
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The gene for curled ears is dominant over the gene for straight ears (e). If you crossed a cat with curled ears (Ee) and a cat w
tatyana61 [14]

Answer:

50% is the answer I believe

8 0
3 years ago
If the mass is 6.5g, and the volume is 25mL.. what is the density? PLEASE ANSWER ASAP
julia-pushkina [17]

Answer:

p = 260 kilogram/cubic meter

Explanation:

ρ =  \frac{m}{V} \\

  = \frac{6.5 g}{25mL}

=  0.26 gram/milliliter

=  260 kilogram/cubic meter

7 0
3 years ago
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