Which of these would have a frequency greater than an X-ray

A UV ray

B violet light

C microwave

D gamma ray

How does energy change?

In the reaction MgCI2 + 2KOH - > Mg (OH) 2 + 2KCI if 6 moles MgCI2 are added to 6 miles KOH which is the limiting reagent

Which statement has an inference mixed in? A. The cells were rectangular and packed tightly together B. The cells were no longer rectangular C. They must have burst when they were microwaved D.

Which of the following prefixes means seven

Lighters are usually fueled by butane (C4H10). When 1 mole of butane burns at constant pressure, it produces 2658 kJ of heat and does 3 kJ of work.

When 12.4 grams of KBr are dissolved in enough water to create a 170-gram solution, what is the solution's concentration, expressed as a percent by mass?

The Bohr theory can be extended to non-hydrogen one electron ions such as He + and Li2+, in which case the energy depends on the different atomic numbers Z for the respective atom.

Each day the earth spins on its axis. this is known as what?

Is Fe a element or a compound? Is Aluminum a element or a compound? Is HCI a element or a compound? Is Hydrogen Peroxide element or a compound? Is H2 element or a compound? Is NaOH element or a compound?

Which of the following chemical reactions is an oxidation-reduction reaction? Answer WO3 + 3H2 W + 3H2O KNO3 + LiCl LiNO3 + KCl CaSO4 + 2NaCl Na2SO4 + CaCl2 Mg (NO3) 2 + 2HBr MgBr2 + 2HNO3 According to the collision theory and model created to