Magnesium metal reacts with 0.100 L of 0.450 M hydrochloric acid to produce magnesium chloride and hydrogen gas. What is the mass of magnesium reacting with hydrochloric acid? Group of answer choices

54.7 g

2.19 g

1.09 g

0.547 g

109 g

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 are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid