The sun is located in the center of our solar system. Where is the sun located in our disc-shaped galaxy?

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.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

How many moles are in 123.0 grams of kclo4?