(40 pts) Procedures (1 paragraph): Research and describe the hazards of the substances (e. g., hydrochloric acid, bleach, hydrogen peroxide) used and the precautions that should be followed in a formal laboratory environment.

What type of reaction is zn + cucl2 → cu + zncl2?

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397