
Concept explainers
(a)
Interpretation: The figure showing gas present with some initial volume in a cylinder is given. The final volume of the gas after the gas has been subjected to different changes is to be calculated.
Concept introduction: According to the Boyle’s law, the pressure of a gas is inversely proportional to volume at the constant temperature and for fixed moles of gas.
According to the Charles’ law, the volume of a gas is directly proportional to temperature of the gas at the constant pressure and for fixed moles of gas.
To determine: The final volume of the gas after the temperature is changed from
(b)
To determine: The final volume of the gas after there occurs an increase in pressure by
(c)
To determine: The final volume of the gas after there occurs a decrease in volume by

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Chapter 6 Solutions
Chemistry: The Science in Context (Fifth Edition)
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- 20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCI. What is the molarity of the HCI?a) 0.150 Mb) 0.079 Mc) 0.025 Md) 0.050 Marrow_forwardin the following reaction, the OH- acts as which of these?NO2- (aq) + H2O (l) ⇌ OH- (aq) + HNO2 (aq)a) not a weak acidb) basec) acidarrow_forwardfind the pH of a buffer made from 0.20 M HNO2 and 0.10 M NaNO2. Ka= 4.0 x 10-4a) 4.00b) 3.40c) 3.70d) 3.10arrow_forward
- the Ka for sodium dihydrogen phosphate is 6.32 x 10-8. Find the pH of a buffer made from 0.15 M H2PO4- and 0.15 M HPO42-.a) 6.98b) 7.42c) 7.00d) 7.20arrow_forwardFind the equilibrium concentration of H3O+ starting with 0.072 M solution of acetic acid. Ka = 1.8 x 10-5. Acetic acid is HC2H3O2 (aq).HC2H3O2 (aq) + H2O (l) ⇌ H3O (aq) + C2H3O2- (aq) a) 1.3 x 10-6 b) 1.1 x 10-3 c) 1.5 x 10-2 d) 3.6 x 10-5arrow_forwardin VSEPR Theory, AX2 isarrow_forward
- calculate the pH of 0.066 M Ca(OH)2. Remember stoichiometry.arrow_forwardFind the equilibrium concentration of H3O+ starting with 0.072 M solution of acetic acid. Ka = 1.8 x 10-5. Acetic acid is HC2H3O2 (aq).HC2H3O2 (aq) + H2O (l) ⇌ H3O (aq) + C2H3O2- (aq)arrow_forwardin VSEPR Theory AX2 isa) tetrahedralb) octahedralc) lineard) trigonal bipyramidarrow_forward
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