The ΔHrxn of formation of carbon dioxide is negative. Which statement is true?

1) this is the structure in the cell nucleus that houses a cell's genetic information

According to the tide table below what time of day will the highest tide occur?

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.