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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Solve Q3
Transcribed Image Text:ai Which of the foltowing is an electralyte?
A K,O
B. CH.
C co,
D. P,0,
a2 How many grams of Ca(OH); are required to neutralize 1.000 L of 0. 6000 M H,PO, salution?
B. 30.00
C 1338
D. 66 6
A 6 66A
Q3 What volume of 8M sulfuric acid must be used to prepare 15 L of a 0 20 M H,SO, solution?
A 375 mt
Q4 What is the wavelength of light (nm) that has a frequency 3.00 -10"s'?
A 300
as. Which one of the following is not a redox reaction?
A. 2Na +2 H,0 → 2NAOH • H,(9)
c ca" . Po,' → Ca (PO,),
Q6. What are the reacting ions when Bal, and K,SO, react in aqueous solution?
A Ha", 50,
B 15 6 ml
C 18 8 ml
D. 9.4 ml
B. 1x 10'
C10» 10
D. 100
B. H, + Cl; -→ 2HCI
D. 2AI. Fe,0, → Al,0, + 2Fe
B K", 5o,
C K", I'
D. Ba",
Q7 The correct order of decreasing in the first ionization energy:
A Si > P> Al >5
B. P>5 > Si > AI
C.S >P> Si > AI
D. Al > Si > P>S
Qx What is the A of light that is emitted when an excited electron in the hydrogen atom falls from n= 5 to n
A 5 82 x 10'm
B. 4 34 x 10'm
C 5.12 x 10'm
D. 6.502 x 10'm
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