The first ionization energy is less than the second ionization energy for which of the following elements? a
None of the elements listed
b
All of the elements listed
c
Rb
d
Sr
e
I

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next