Steven has to clean his room but in order to completely clean it he has to move his bed around. Steven is pushing the bed with a force of 34n in the bed is pushing back with a force of 18n. What is the total net force?

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

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.