How can you determine the number of electrons for any element? Explain.

How much heat is needed to raise the temperature of 75 g of a substance by 15 C when the specific heat is 0.92 J/g-C?

What is the volume of 90.0 grams of ether if the density of ether is 0.70 g/mL? a) 1.1 x 10^2 mL b) 1.3 x 10^2 mL c) 6.3 x 10^1 mL d) 7.8 x 10^-3 mL

What is the oxidation state Ca (NO3) 2

Which is not a property of a gas? Select one: A. Gases are highly compressible. B. Gases form homogeneous mixtures with one another in any proportion. C. The densities of gases are much larger than those of corresponding liquids. D.

If it takes 200 J to raise the temperature of a 10-gram block of ice by 10°C, what is the specific heat of the ice?

0.402 L = 402 mL 0.0202 L = 20.2 mL 3.6 L = 360 mL 11.1 L = 11,100 mL

Which is one possible way the digestive system works together with other body system

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?