2-lf you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in apound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC.3-The written value of 1.0 µm meansa. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m4-The written value of 1.0 um meansa. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m5- Which element has 71 neutrons?a) 222Rn b) 146 Nd c) 159Sm d) 140Ce e) 121Sn 3.96- Which of the following is NOT found in the nucleus?a) inb) Hec) }Hd) -fed) ge7- There are two common ions for gold: Au(1) and Au(III). Which of these would be the Auric ion?a. Au (1) b. Au (III) c) neither8- Which one of the following is a Brønsted -Lowry acid?A) (CH3)3NH+ B) CH3COOH C) HF D) HNO2 E) all of the above9- How many moles of gas are there in a 50.0 L container at 22.0°C and 825 torr?A) 2.29 x 104 B) 1.70 × 103 C) 2.23 D) 0.603 E) 18.4 5.210-The density of NO2 in a 3.50 L tank at 780.0 torr and 37.0°C is8/L.A) 1.64 B) 9.30 C) 1.86 D) 2.92 E) 3.27

Since you have asked multiple question, we will solve the first question for you. If you want any…

2-lf you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at 200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC.

2-lf you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at 200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC.

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

2-lf you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at
200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a
pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC.
3-The written value of 1.0 µm means
a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m
4-The written value of 1.0 um means
a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m
5- Which element has 71 neutrons?
a) 222Rn b) 146 Nd c) 159Sm d) 140Ce e) 121Sn 3.9
6- Which of the following is NOT found in the nucleus?
a) in
b) He
c) }H
d) -fe
d) ge
7- There are two common ions for gold: Au(1) and Au(III). Which of these would be the Auric ion?
a. Au (1) b. Au (III) c) neither
8- Which one of the following is a Brønsted -Lowry acid?
A) (CH3)3NH+ B) CH3COOH C) HF D) HNO2 E) all of the above
9- How many moles of gas are there in a 50.0 L container at 22.0°C and 825 torr?
A) 2.29 x 104 B) 1.70 × 103 C) 2.23 D) 0.603 E) 18.4 5.2
10-The density of NO2 in a 3.50 L tank at 780.0 torr and 37.0°C is
8/L.
A) 1.64 B) 9.30 C) 1.86 D) 2.92 E) 3.27

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