MATH. Tom bought 15 party hats priced at 3 for $0.65 and 56 noisemakers priced at 7 for $1.25. What was the total cost of the hats and noisemakers, not including tax?

A. $9.75

B. $8.75

C. $10.70

D. $13.25

Glucose is the sole energy source, what fraction of the carbon dioxide exhaled by animals is generated by the reactions of the citric acid cycle?

How is the molarity affected if some solution splashes out of the flask during titration?

When chemists work with solid materials, we simply weigh out amounts of solid reagents and calculate mole amounts when thinking about stoichiometry.

How do scientists determine the number of neutrons in an isotope of an atom? Question 3 options: They add the number of electrons and protons. They subtract the atomic number from the atomic mass. They find the number of protons.

Which statement is true about proper storage of flammable liquids? A. Store liquids in approval metal safety containers or original containers. B. Transfer liquids to plastic containers to enable more space on shelves. C.

How has desertification impacted the environment in Latin America?

In a titration experiment, hcl and lioh solutions were used. the initial volume of hcl was 1.25ml and lioh was 2.65 ml. the final volume of hcl was 13.60 ml and lioh was 11.20 ml. if the lioh was 0.140 m what was the molarity of hcl?

What is the mass of 0.200 moles of Fe

Potassium iodide will have which molecular configuration? Select one: a. bent b. linear c. tetrahedral d. triangular

Can chemical properties be used to remove lead from a solution of lead and other materials ?