Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
Answer: +35
explanation: 30+35£~£
The total mass means that you need to add up all three diamonds' mass. So the calculation equation is 14.2+8.73+0.912 = 23.842 g.
Answer:
1.05 x 10^-6
Explanation:
Lambda = c / f
f if frequency
c is intensity of light
lambda = 3 x 10^8 / 2.85 x 10^14
= 1.05 x 10 ^-6