8. Which of these identifications is INCORRECT (A) HCI (C) KOH (E) HC,H,0, acetic acid hydrochloric acid strong acid potassium hydroxide strong hase weak acid (B) NH, ammonia (D) HI weak acid hydroiodic acid strong acid
8. Which of these identifications is INCORRECT (A) HCI (C) KOH (E) HC,H,0, acetic acid hydrochloric acid strong acid potassium hydroxide strong hase weak acid (B) NH, ammonia (D) HI weak acid hydroiodic acid strong acid
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![8. Which of these identifications is INCORRECT
(A) HCI
(C) KOH
(E) HC,H,0, acetic acid
hydrochloric acid
potassium hydroxide strong hase
strong acid
(B) NH, ammonia
(D) HI
weak acid
hydroiodic acid strong acid
weak acid
9. Each of the following solutions is 0.01 M. Which one would have the highest pH?
(C) NaCI
(A) NH,
(B) HNO,
(D) NaOH
(E) HCH,O,
10. Which of the following statements is TRUE?
(A) A proton has a negative charge, is found in the nucleus, and has a mass of about I amu.
(B) A neutron has no charge, is found in the nucleus, and has a mass of about 1 amu.
(C) An electron has a negative charge, orbits the nucleus, and has a mass of about 1 amu.
(D) The nucleus is very small and negatively charged.
(E) A beta particle is a proton which is ejected from the nucleus.
11. The particle that has the same mass as the electron, but is positively charged is the
(C) proton
(A) meson
(B) gluon
(D) positron
(E) beta
12. One clement changing its identity into another element is called a
(A) single replacement reaction (B) double replacement reaction
(D) isotopsis
(C) transmutation
(E) redox
13. The type of radioactivity which is the heaviest and least penetrating type of particle is
(A) alpha
(D) delta (E) X-rays
(B) beta
(C) gamma
E 14. Radioactive elements are used for
(A) imaging organs in the body
(C) determining the age of artifacts (D) production of electricity (E) all of these
(B) targeting and destroying cancerous tumors
D 15. A bottle of wine sold at auction recently for a record $675,000. To determine its true age
buyer had the wine analyzed for its tritium (H-3) content, and compared it to the tritium in t
water near the vineyards. The fresh water contains 1000 ng of tritium; the bottle of wine sh
125 ng of tritium. The half life of tritium is 12.4 years. How old is the bottle of wine?
(A) 8 yr (B) 99.2 yr (C) 24.8 yr (D) 37.2 yr (E) 1.55 yr
Complete the Table by filling in the numbers and words. Use SCI notation for each of t
concentrations; write all values with 2 digits after the decimal point.
[H,O']
[OH]
pH
POH
acidicbasic/neut
7.04 x 10
4.82](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcf1f80af-1812-422b-a957-286809f79be3%2Fff018154-9125-4b16-a66b-81f801c59864%2F5fhf97g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. Which of these identifications is INCORRECT
(A) HCI
(C) KOH
(E) HC,H,0, acetic acid
hydrochloric acid
potassium hydroxide strong hase
strong acid
(B) NH, ammonia
(D) HI
weak acid
hydroiodic acid strong acid
weak acid
9. Each of the following solutions is 0.01 M. Which one would have the highest pH?
(C) NaCI
(A) NH,
(B) HNO,
(D) NaOH
(E) HCH,O,
10. Which of the following statements is TRUE?
(A) A proton has a negative charge, is found in the nucleus, and has a mass of about I amu.
(B) A neutron has no charge, is found in the nucleus, and has a mass of about 1 amu.
(C) An electron has a negative charge, orbits the nucleus, and has a mass of about 1 amu.
(D) The nucleus is very small and negatively charged.
(E) A beta particle is a proton which is ejected from the nucleus.
11. The particle that has the same mass as the electron, but is positively charged is the
(C) proton
(A) meson
(B) gluon
(D) positron
(E) beta
12. One clement changing its identity into another element is called a
(A) single replacement reaction (B) double replacement reaction
(D) isotopsis
(C) transmutation
(E) redox
13. The type of radioactivity which is the heaviest and least penetrating type of particle is
(A) alpha
(D) delta (E) X-rays
(B) beta
(C) gamma
E 14. Radioactive elements are used for
(A) imaging organs in the body
(C) determining the age of artifacts (D) production of electricity (E) all of these
(B) targeting and destroying cancerous tumors
D 15. A bottle of wine sold at auction recently for a record $675,000. To determine its true age
buyer had the wine analyzed for its tritium (H-3) content, and compared it to the tritium in t
water near the vineyards. The fresh water contains 1000 ng of tritium; the bottle of wine sh
125 ng of tritium. The half life of tritium is 12.4 years. How old is the bottle of wine?
(A) 8 yr (B) 99.2 yr (C) 24.8 yr (D) 37.2 yr (E) 1.55 yr
Complete the Table by filling in the numbers and words. Use SCI notation for each of t
concentrations; write all values with 2 digits after the decimal point.
[H,O']
[OH]
pH
POH
acidicbasic/neut
7.04 x 10
4.82
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