1. convert 500mg to grams:
2. convert 50mg to grams:
3. convert 5mg to grams:
4. what is the molar mass of carbon:
5. convert 12g of carbon to moles:
6. convert 48000mg of carbon to moles:
7. how many atoms are in a mole of phosphorus:
8. how many atoms are in a mole of hydrogren:

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community

When using the ideal gas law constant 0.0821, what unit is used for volume? a) galloonb) ouncec) milliliterd) liter