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(a)
Interpretation: The body fat in pounds should be calculated with the body mass is
Concept Introduction: Various units are used to express mass, volume, length etc. These units can convert into each other with the help of equality. The fraction of any equality is called conversion factors. In conversion factor, equalities are written as numerator and denominator.
(b)
Interpretation: The mass of fat removed must be calculated in pounds if the body fat density is
Concept Introduction: Density is the physical quantity that represents the ratio of mass and volume. The mathematical expression of density can be written as:
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Chapter 2 Solutions
EBK BASIC CHEMISTRY
- A shipping box has a length of 7.00 in., a width of 6.00 in., anda height of 4.00 in. (2.3)a. What is the length of the box, in centimeters?b. What is the width of the box, in centimeters?c. How many significant figures are in the width measurement?d. Calculate the volume of the box, in cubic centimeters, to thecorrect number of significant figures.arrow_forwardYou have a large bottle of 10.0 M hydrochloric acid and you want to make 6.0 L of 3.0 M hydrochloric acid. How much concentrated do you need and how much water? (1.8, 4.2)arrow_forwardhemistry-4th Hour - Dr. Paul / Gases/Lesson 148 Honor 22. According to Charles' law, what kind of relationship does temperature and volume have? O direct relationship O no relationship O indirect relationship chemical relationship GET IT ablo! (3.0.227)arrow_forward
- Honors Chemistry-4th Hour- Dr. Paul / Gases / Lesson 148 11. Which state of matter is most accurately described by the kinetic molecular theory? O gas aqueous solid O liquid available! (3.0.227)arrow_forward(6.3)The volume of a gas is 0.953 L at 30.0 °C. If the gas is heated to 60.0 °C, what would be the volume of the gas (in L) at this temperature? O 1.05 L O 0.867 L O 1.91 L O 0.477 Larrow_forward20 cm3 of hydrogen peroxide solution of unknown concentration reacts completely with 12.15 cm3 0.04 mol/dm3 of potassium permanganate solution in sulfuric acid media. Calculate the mass concentration of hydrogen peroxide in g/dm3. How many cm3 (USC) of oxygen is formed? (2.07; 29.77)arrow_forward
- (Q20) A balloon is filled to a volume of 774 mL with 555 milligrams of helium gas. Some of the helium gas is removed until the volume of the balloon is 263 mL. What is the total mass of helium (in mg) that remains in the balloon? (3 sf)arrow_forwardHow many moles of lactic acid (C3H6O3) are contained in 3.288 grams of lactic acid? (4 sf)arrow_forward___RbNO3 +__ BeF2 = __Be(NO3 )2 + __RbF the coefficients are A. (1,2,1,2) B. (2,1,1,2) C. (2,3,2,1) D. (2,1,2,1) E. (2,1,3,2)arrow_forward
- (5.8)Which of the following reactions will form a gaseous product? O H₂CO3(aq) + Pb(NO3)2(aq) O NaOH(aq) + HNO3(aq) O None of these O Na₂SO3(aq) + H₂SO4(aq) ◄ Previousarrow_forwardHO 5. 6. HO. on HO, 7. 8. 9.arrow_forward9. Which element is oxidized in the following reaction: 2FECI2 + Cl2 → 2FECI3 if Fe goes from +2 to +3 and CI goes from 0 to –2? Fe Neither element CI Cl and Fe GET IT NOW New version available! (3.0.220) PREVIOUSarrow_forward
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