Question 9 Multiple Choice Worth 1 points) (01.03 MC)
An object has a mass of 8.5 g and a volume of 17 mL. What is the density of the object?
O 0.2 g/mL
0.5 g/m
1.4 g/m
2 g/mL
Question 10 Milo Choice Worth points)

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

What is the correct lewis structure for chloroform chcl3

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