Convert 3.92 oz to grams.

112 grams

Convert a speed of 839 mi/hr to units of feet per minute. Also show the unit analysis by dragging components into the unit-factor slots below.

73832

If the caffeine concentration in a particular brand of soda is 2.73 mg/oz, drinking how many cans of soda would be lethal? Assume 10.0 grams of caffeine is a lethal dose, and there are 12 oz in a can.

305.32 cans10

A chemistry student is 159 cm tall and weighs 45.8kg. What is her height in inches and weight in pounds?

weight-101 lb

height- 62.6 inch

The mercury content of a stream was believed to be above the minimum considered safe- 1 part per billion (ppb) by weight. An analysis indicate that the concentration was 0.68 parts per billion. What quantity of mercury in grams was present in 15.0 L of the water, the density of which is 0.998 g/ml? (1 ppb hg= 1ng hg/ 1 g water)

10.18 x 10^-6

As n instructor is preparing for an experiment, he requires 225g phosphoric acid. The only container readily available is a 150 ml Erlenmeyer flask. Is it large enough to contain the acid, whose density is 1.83 g/ ml

yes, the acid is 123 ML

Determine the number of sig figs in each

a- 0.0055

b- 70200

c-99.80

A-2

B-3

C-4

Name the ionic compounds

a- Sr(C2H3O2)2

b-Ti(CN)4

c- Fe(HCO3)2

a- strontium acetate

b- titanium (IV) cyanide

c- iron (II) bicarbonate

Name the ionic compounds

a- manganese (VII) arsenide

b-ammonium oxide

c-lead (IV) sulfate

a- Mn3As7

b- (NH4)2O

c- Pb(SO4)2

What is the correct formula for boron trifluoride

BF₃

What is the correct name for B₂Cl₄?

diboron tetrachloride

What is the correct formula for diphosphorus pentoxide?

P₂O₅

what is the empirical formula of

40.00% carbon

6.63 % Hydrogen

53.37 % Oxygen

C₁ H₂ O₁

which has the highest number of H atom?

A- 0.80 mol CH₄

B- 0.50 mol C₂ H₆

C- 0.60 mol C₃ H₈

C