How many formula units of baking soda (sodium bicarbonate) are in 2.60 tsp? (1 tsp ≈ 7.20 g nahco3) ?

What is an example of chemical change

What evidence would support Maria's claim that the fossilized remains are that of a bird, class Aves, instead of a turtle, class Reptilia? A) the eggs B) a backbone C) a keeled sternum D) warm-bloodedness

Use the drop-down menus to complete each statement about eubacteria and archaebacteria. are referred to as "true bacteria." are prokaryotes. are single-celled bacteria. y are bacteria that live in extreme environments.

If 22.50 mL of a sodium hydroxide solution is necessary to neutralize 18.50 mL of a 0.1430 M HNO3 solution, what is the concentration of the NaOH? (Report your answer in molarity.)

An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. if the flask volume is 1.

Explain why ice is able to float on water

Lewis dot structure for F2 (g)

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.

A 20.00 g milk chocolate bar is found to contain 12.00 g of sugar. How many milligrams of sugar does the milk chocolate bar contain?

Sedimentation is least likely to occur