Select the correct answer. Robert owns a fertilizer manufacturing firm. His employees are constantly exposed to the hazards of the poisonous chemicals used for manufacturing fertilizers. Robert makes sure that every employee of his firm follows a written document containing essential work practices, procedures, and policies for employee protection from chemical hazards. Which document is Robert referring to?
A.
Occupational Safety and Health Act
B.
Laboratory Standards
C.
Health, Safety, and Environmental Policy
D.
Chemical Hygiene Plan (CHP)

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

What is the chemical formula for dihydrogen monoxide