If you are given the assignment to cut raw poultry for your entire shift, when should you sanitize the counter top, cutting board, knife, and any other equipment you are using? a. only at the beginning and ending of your shift b. anytime you take a break, and after 4 hours of constant use c. at least every 20 minutes d. the equipment does not need to be sanitized since it is only used for poultry

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)