How did Democritus characterize atoms?

A sample of a compound contains 32.0g C and 8.0g H. It's molar mass is 30.0/mol. What is the compounds molecular formula?

You record the sea temperature at 12 degrees North 45 degrees West to be 27.5 degrees Celcius the humidity to be very high and a very light breeze, do you expect a hurricane to form in these conditions? Explain why or why not

What is a chemical change? A.) Splitting water into hydrogen and oxygen B.) Breaking a block of solid ice into smaller pieces C.) Freezing liquid water D.) Boiling water

What is the ionic form of the following unbalanced equation mno2 + HNO2=mn (NO3) 2+H20

Which of the following methods for increasing the rate of chemical reaction increases the effectiveness of the interactions between reactants, instead of just causing the reactant molecules to bump into each other more frequently Increasing the

Why is the formula CCL4 a nonvolatile molecule with polar covalent bonds?

Why does beryllium lose electrons when forming ionic bonds, while sulfur gains electrons?

Which of the following statements regarding enzymes is FALSE? a. Enzymes alter the free energy change (ΔG) of the reactions which they catalyze. b. Enzyme function is dependent on the pH and temperature of the reaction environment. c.

5. How many moles of gas are in a 7.5 L container, at 1 atm of pressure, at 100 degrees celcius? (R = 8.31) a. 15 moles b. 0.0024 moles c. 9135 moles d ...109

Can you have a perfect mom