261.162 grams. Use the equation n=M÷Mr.
The atmosphere protects us and what is on earth from the suns rays and also harmful radiation. It's kind of like a barrier between the sun's direct rays and earth. <span />
Answer:
c
Explanation:
hydrogen bonds are initially weak and collectively strong because they are partially positive ions
Answer:
X = 2
Explanation:
As you know, the rate of a first-order reaction depends linearly on the concentration of a single reactant. The rate of a first-order reaction that takes the form