You find a rock that is very sandy and grainy. Sand grains fall off as you handle it. What kind of rock do you suppose it is?

Hey! Can I get all the chemicals formula from ch-4 carbon and it's compound ...

Calculate the density of mercury if 1.00x10^2g occupies a bolume of 7.36 cm

What is the final temperature of a 27.2-gram wooden block that starts at 23.4°C and loses 759 joules of energy? The specific heat capacity of wood is 1.716 joules/gram degree Celsius. Use the formula Q = mCΔT. A. 7.1°C B. 10.9°C C. 16.3°C D. 39.7°C

Which element would be most likely to lose electrons in a chemical bond

Calculate the partial pressure of the CO2 in the expired air at its peak, assuming 1 atm pressure and a body temperature of 37∘C.

When the free-energy change (AG) of a reaction is negative, the reaction is said to be: Endergonic Non spontaneous Spontaneous Endothermic

Explain in terms of electrons why the bonding in NaCl is ionic. 2Na (s) + Cl2 (g) - >2NaCl (s)

A 20% solution of KCl has a mass of 400 g what mass of KCl is contained in this solution

A fire extinguisher is labeled b-i. what type of fire will be put out by this extinguisher?

The capacity of an eye dropper would be a few a kilometers be leiters C deciliters d milliluters