You have been given a 200.00 mL canister containing an unidentified gas. After accounting for the mass of the container, you determine the mass of the actual gas is 0.376 g. The pressure gauge on the cannister reads 874 mmHg, and the temperature gauge reads 298.15 K. What is the […]

Calculating how much fertilizer to add to an area: STEP 1: Desired rate in lbs nitrogen (N)/1,000 sq.ft / % nutrient  (as a decimal) = fertilizer needed per 1,000 sq.ft. STEP 2: Total fertilizer needed / 1,000 sq.ft. x area in sq.ft = lbs fertilizer needed for the area For […]

In August 2001, a man walking his dog in Lindley Woods, near Otley, in West Yorkshire, found the body of 16-year old Leanne Tiernan, buried in a shallow grave. This was about ten miles from her home in Landseer Mount, Bramley, Leeds. She had been walking home from a Christmas […]

In Americans, the frequency of albinism is 1 in 20,000 people(1 / 20,000 = 0.00005). Albinism is a recessive disease (single gene, 2 alleles).What is the ratio of heterozygous carriers of albinism to homozygous recessive individuals (i.e. people with albinism)?The answer is: 281: 1My question is in regards to how […]