Main sequence stars, such as the sun, produce energy primarily by fusing

A. hydrogen into helium.

B. helium into lithium.

C. lithium into beryllium.

D. beryllium into boron.

Which is one way to reduce wastes? A Do not produce them in the first place. B Use only disposable goods. C Bury them in sanitary landfills. D Never use recycled products.

Find the density of an object with a volume of 2.5 cm3 and a mass of 8.0 g.

If 1.0 liters of 0.40 M KOH are diluted to 3.0 liters what is the new concentration?

Angela was instructed on a test to make an analogy, or comparison, for polymers. She writes four examples of how polymers are like pearl necklaces. She has many parts to this analogy that make sense, but one part of her analogy does not fit.

Aqueous potassium phosphate reacts with aqueous aluminum chloride to form aqueous potassium chloride and solid aluminum phosphate. Write the balanced chemical equation for the reaction. Include physical states.

Which subatomic particles differ in number for two isotopes of the same element, and which subatomic particles will stay consistent between two isotopes of the same element? Explain how you know.

What is the oxidation state of an individual phosphorus atom in PO33-?

What must be added to water in order to change state from liquid to a gas?

What's 124.683 as a 1 significant digit number

You found that your wet product contains 0.362 moles of ammonium magnesium phosphate hexahydrate. How many grams of phosphorus does your wet product contain