Given 4.80g of ammonium carbonate, find:

Number of moles of the compound

Number of moles of ammonium ions

Number of moles of carbonate ions

Number of moles of hydrogen atoms

Number of hydrogen atoms

Which process uses a volume of solution of known concentration to determine the concentration of another solution? (1) distillation (3) transmutation (2) substitution (4) titration

Balance the following equations: __CuS2 + HNO3 → __Cu (NO3) 2 + __H2SO4 + __N2O + ___H20

Claims • Evidence • Reasoning Make a claim about ways people can stay safe during storms with high wind and heavy rains. Summarize evidence to support the claim and explain your reasoning.

Which statement provides the best example of a scientific conclusion? O A. Graphite can be used to make pencils. O B. Diamond is mined in South Africa O C. Diamond and graphite are both composed of carbon. D.

When you double the distance from the radiation source, how do the counts per minute change?

The number of electrons in a neutral atom of hydrogen (H) atom is

What is buffer solution?

How can you simulate the radioactive half-life of an element?

What are the horizontal rows on the periodic table?

What is 19 hundred thousandths in scientific notation