Answers by Mkell
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Answers by Mkell

Answers by Mkell
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unknown substance's mass: 75.0g, unknown substances molar mass = 150.0 g/mol, Hfus = 5.0x10^3 J/mol, Hvap = 1.00 x 10^4 J/mol, unknown substance's specific heat (liquid) = 2.2 J/g, unknown substance's
answered Jun 17, 2022
0 votes
11.4k views
What will occur if a species is divided into two groups and allowed to reproduce in different environments for many generations?
answered Jun 10, 2022
2 votes
167k views
What was one cause of World War II? A) trade B) economic depression C) communism D) land
answered May 25, 2022
11 votes
15.9k views
What's the slope of the line?
answered May 20, 2022
12 votes
56.6k views
3. A lemonade recipe calls for 1 cup each of sugar and lemon juice and 8 cups of water
answered Apr 30, 2022
4 votes
22.3k views
Who is the Prime minister of Fiji​
answered Mar 22, 2022
3 votes
33.8k views
From a distance of 200 m, Susan looks up at the top of a lighthouse. The angle of elevation is 9°. Her eyes are 1.22 m above the ground. Determine the height of the lighthouse to the nearest meter. * 37.
answered Nov 14, 2021
2 votes
91.8k views
A reaction was performed in which 3.7 g of benzoic acid was reacted with excess methanol to make 2.1 g of methyl benzoate. Calculate the theoretical yield and percent yield for this reaction.
answered Nov 10, 2021
3 votes
127k views
What grade can take the Aspire test
answered Nov 6, 2021
1 vote
207k views
Solve the system of equations. x + 3y = -1 2x + 2y = 6
answered Oct 9, 2021
3 votes
225k views
Which of the following was an effect of the Opium Wars on China? Loss of the Yellow River to Russia China Loses Control of several key ports and trade powers United States takes over China Opium was eradicated
answered Sep 23, 2021
4 votes
585 views
A 30-foot ladder makes a 60° angle with the ground. Which trigonometric ratio can be used to find the height in feet, h, the ladder reaches up the side of the building?
answered Jul 31, 2021
1 vote
99.8k views
The responsibility to do positive things with your abilities, talents and resources a. Moral Responsibility b. Legal Obligation c. Personal Responsibility d. Norms​
answered Jul 27, 2021
7 votes
231k views
Que retos enfrentan las familias de hoy? Algo relacionado con Guatemala
answered Jun 6, 2021
5 votes
162k views
What are tree facts that you know about the Cold War?
answered May 19, 2021
7 votes
210k views
A cylinder has a volume of 320 cubic inches and a height of 5 inches. What is the radius of the cylinder? O A. 4 inches B. 8 inches C. 16 inches D. 32 inches
answered May 15, 2021
5 votes
177k views
A non polar covalent bond (pure covalent) would form in which of the following pairs of atoms? A.) H-Cl B.) Se-Br C.) Na-Cl D.) Br-Br
answered Mar 28, 2021
1 vote
40.2k views
What is the answer to this question.
answered Feb 7, 2021
4 votes
144k views
In Tim's math class, there are 12 pencils and 15 markers. Which of the following is the ratio of markers to pencils in Tim's math class?
answered Jan 21, 2021
2 votes
157k views
QUESTION in the photo
answered Jan 7, 2021
5 votes
232k views
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