5 How does pulmonary circulation differ from coronary
circulation?
А
Coronary circulation occurs throughout the body;
pulmonary circulation occurs in the heart
B
Coronary circulation occurs in the brain; pulmonary
circulation occurs in the lungs
С
Coronary circulation occurs in the heart; pulmonary
circulation occurs in the heart and lungs
D
Coronary circulation involves oxygenated blood only;
pulmonary circulation involves deoxygenated blood only

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore