Answers by Roman Kazanovskyi
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Answers by Roman Kazanovskyi

Answers by Roman Kazanovskyi
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Suppose you add 0.2469 g of PbCl2(s) to 50.0 mL of water. In the resulting saturated solution, you find that the concentration of PbX2+(aq) is 0.0159 M and the concentration of C l − ( a q ) ClX−(aq) is
answered Mar 23, 2021
4 votes
2.7k views
if w represents the width of a rectangle that is 28 inches long with a perimeter of 110 inches, the best algebraic representation of the rectangle's perimeter is in terms of w
answered Mar 8, 2021
1 vote
76.3k views
Mrs Thomas earns 18.80 per hour for the first 40 hours of work in a week .He earns 1 and a half times and that amount per hour for each hour he works over 40 hours in a week .Last week Mr Thomas worked
answered Jan 29, 2021
3 votes
117k views
The longest wavelength in the electromagnetic spectrum is the microwaves gamma ray radio wave ultraviolet ray
answered Jan 24, 2021
3 votes
69.9k views
Does the nile river flow through 10 countries or 11? and also would this question be true or false? The Nile is the longest river in the world, flowing through 10 countries in Africa.
answered Dec 3, 2020
6 votes
113k views
Which state helps produce light in fluorescent lightbulbs? A. Plasma B. Solid C. Liquid D. Gas
answered Nov 27, 2020
2 votes
211k views
What is mass? How is the mass of an object determined?
answered Nov 18, 2020
3 votes
137k views
In 2012 your car was worth $10,000. In 2014 your car was worth $8,800. Suppose the value of your car decreased at a constant rate of change. Define a function f to determine the value of your car (in dollars)
answered Aug 2, 2020
2 votes
140k views
According to zinn what was the essence of the conflict between Britain and the American colonies
answered Jun 25, 2020
4 votes
103k views
The area of a rectangle is 38.25 square yards and its base is 9 yards. What is the height? Do not round your answer. h = ________ yd
answered Mar 11, 2020
0 votes
195k views
Renae likes to make pizza dough on the weekends. She has 8 1/3 cups of flour. She needs 5/6 of a cup for each pizza.How many pizzas can she make?
answered Feb 24, 2020
4 votes
210k views
Express the complex number 3(cos270° + i sin270°) in standard a + bi form. A: 3i B:-3 C:-3i D: 3
answered Nov 9, 2019
5 votes
60.5k views
I need the answer! Please help me!
answered Sep 9, 2019
0 votes
71.5k views
If the solubility of a solid increases with temperature, a supersaturated solution of this solid could be prepared by doing what to a saturated solution? 1. slowly heating 2. adding more solute 3. rapidly
answered Aug 15, 2019
4 votes
177k views
One of the key changes made in the 1990 Clean Air Act amendment was the _____.
answered Jul 7, 2019
3 votes
194k views
Researchers start in different places on the research cycle. point 1 indicates a/n ________ approach to research; point 2 indicates a/n ________ approach to research.
answered Mar 17, 2019
4 votes
52.4k views
A study of expert and novice 10 year-old soccer players is conducted over 6 weeks. findings reveal that at the end of the season, game performance improved. if this study is similar to one by french and
answered Feb 13, 2019
2 votes
89.1k views
In 1950s, what discovering revolutionized biotechnology
answered Jan 7, 2019
3 votes
67.4k views
A business that is lucrative is one that is yielding profit. True False
answered May 28, 2018
5 votes
50.1k views
How are chunks of time in the geologic timeline organized ? A.) Each chunk of time represents the same numbers of years. B.) Each chunk of time represents a time when fossil indicate that Earth's life
answered Jan 29, 2018
4 votes
58.9k views
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