You must have your headlights activated

a. from sunset to sunrise
b. from half an hour after sunset to half an hour before sunrise
c. any time you’re unable to clearly see vehicles within 1,000 ft of you
d. both b and c are correct

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

What is the relation between concentration of reactants and the rate of chemical reaction?

What is the polyatamic ion of thiosulfate