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Answers by Xiaoke

Answers by Xiaoke
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50.0 mL each of 1.0 M HCl and 1.0 M NaOH, at room temperature (20.0 OC) are mixed. The temperature of the resulting NaCl solution increases to 27.5 OC. The density of the resulting NaCl solution is 1.02
answered Sep 21, 2021
3 votes
207k views
How did recordkeeping differ in ancient Egypt and the Incan Empire? The Egyptians used cuneiform, but the Incans used hieroglyphics. The Egyptians used hieroglyphics, but the Incans used quipus. The Egyptians
answered Jul 24, 2021
0 votes
74.8k views
**Please Help, ASAP** Rearrange the formula so the letter in parenthesis is the subject. 1) x+xy = y, (x) 2) x+y = xy, (x) 3) x = y+xy, (x) 4) E = (1/2)mv^2-(1/2)mu^2, (u) 5) (x^2/a^2)-(y^2/b^2) = 1, (y)
answered Jun 15, 2021
4 votes
140k views
Byron bought a keyless entry door lock that has the digits 0 through 9 on the keypad. He wants to choose a three-digit entry code. How many different combinations are possible, if the digits can be repeated?
answered May 30, 2021
1 vote
60.0k views
What is the numeric value of a mole for atoms or molecules?
answered Apr 16, 2021
4 votes
147k views
The product of z and 5 is 26
answered Apr 12, 2021
0 votes
31.1k views
Testimonials are positive statements made about a product based on_?_experience. a personal C. common b. professional d. exaggerated​
answered Mar 30, 2021
4 votes
18.7k views
Sabrina has 12 spools of ribbon. Each spool has either 3 yards of ribbon, 5 yards of ribbon, or 8 yards of ribbon. If Sabrina has a total of 68 yards of ribbon, how many spools of each length of ribbon
answered Mar 8, 2021
5 votes
211k views
6. Frank's Fish Washing Service charges a base fee to wash your fish plus a charge per minute. The table shows the total cost, c, and the number minutes it took to wash the fish, m. Which equation represents
answered Feb 25, 2021
5 votes
116k views
in section 1.1 of your text the terms macroscopic and microscopic are used. explain what is meant by each of these terms and give an example of each?
answered Nov 9, 2020
4 votes
149k views
Read the excerpt from "A Century Ride." "I’m choking with thirst," said Maude. "Get me a drink of water, and I’ll tell you," and the Doctor bounced in for a dipper, and out to the pump for the required
answered Apr 21, 2020
1 vote
199k views
Why is it incorrect to say that the Molar Mass of H2 is 1 g/mole? Be specific!!
answered Jan 26, 2020
4 votes
96.6k views
Someone please help me
answered Dec 28, 2019
3 votes
101k views
How much change should you give back if $20 is tendered for an $18.32 charge? 1.68 1.32 2.68
answered Dec 12, 2019
5 votes
111k views
How do you multiplies fractions?
answered Oct 6, 2019
5 votes
191k views
How would I solve this
answered Jul 18, 2019
3 votes
120k views
Thirteen earthquakes were measured using the Richter scale. Their magnitudes are listed below. What is the range for this data set? 8.2, 7.4, 5.9, 8.3, 6.2, 5.1, 7.6, 6.7, 8.1, 7.4, 6.5, 8.7, 5.6 A. 2.
answered May 2, 2019
4 votes
219k views
Why does Mexico’s southern Pacific coast draw thousands of tourists every year?
answered Sep 2, 2018
4 votes
140k views
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