Write the equality and conversion factors, and identify the numbers as exact or give the number of significant figures for each of the following statements:a. The label on a bottle reads 10 mg of furosemide per mL. b. The daily requirement for iodine is 150 µg. c. The nitrate level in well water was 32 ppm. d. Gold jewelry contains 58% by mass gold. e. The price of a gallon of gasoline is $3.19.f. One capsule of fish oil contains 360 mg of omega-3 fatty acids.

Which molecules are more strongly attracted to one another -c3h8o molecules that make up liquid rubbing alcohol or ch4 molecules that make up methane gas

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal

An atom of element x has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. which element is x