What is the frequency of a radio station that has an energy of 5.96 x 10^(-26) J. (h = 6.6262 × 10^ (-34) J•s A. 3.95 × 10^(-57) Hz
B. 1.79 × 10^(-17) Hz
C. 3.00 × 10^8 Hz
D. 8.99 × 10^7 Hz

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2