A rigid container is at a temperature of 112°C. When heated to 224°C, the pressure was 2160 mmH. What was the initial
pressure?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

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 which block of the periodic table is uranium (u) found? s blockd blockp blockf block