If the average speed of a car is 110km/h how many hours would it take for the car to travel 715km?

This drawing shows a human body system. what is the primary function of this body system?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

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.