If the temperature increases the pressure increases. If the temperature decreases the pressure decreases I hope this helped
Answer: The mass percent of carbon in acetylene is 92.31 %.
Explanation:
In
, there are 2 carbon atoms and 2 hydrogen atoms.
To calculate the mass percent of element in a given compound, we use the formula:

Mass of carbon = 
Mass of acetylene = 
Putting values in above equation, we get:-

Hence, the mass percent of carbon in acetylene is 92.31 %.
Answer:
Cleaning products like bleach, oven sprays, liquid laundry capsules and toilet cleaners are chemicals. So are paints, glues, oils, pesticides and medicines. Most of the chemicals you use at home aren't dangerous if you use them properly. However, some chemicals need more careful handling than others.
Species that have the same number of electrons or the same electronic structure.
D is the answer.
On the left, there are 3 atoms of Ca, 2 atoms of Cr, 6 atoms of N, and 18 atoms of O.
On the right, there are 3 atoms of Ca, 9 atoms of N, 27 atoms of O, and 2 atoms of Cr.