Questions by Scott Davidson

Questions by Scott Davidson

Some Reactions are endothermic How does the temperature and energy change in an endo thermic reaction? temperature change energy change А decreases energy taken in B decreases energy given out С increases

asked Nov 18, 2021

1 answer

2 votes

43.4k views

NiS2(s) + O2(g) --> NiO(s) + SO2(g) When 11.2 g of NiS2 react with 5.43 g of O2, 4.86 g of NiO are obtained. The theoretical yield of NiO is Blank 1 , the limiting reactant is Blank 2 and the percent yield

asked Nov 9, 2021

1 answer

3 votes

227k views

The cost of a cd is $18.95 makeup is 70%

asked Oct 22, 2021

1 answer

1 vote

36.8k views

88) 4 times a number decreased by 8 equals 40 A) x=80 B) x = 40 C) x=8 D) x = 12

asked Oct 21, 2021

1 answer

3 votes

233k views

Consider the following statement: "In general, profit opportunities are rare. At any time, many people are searching for them, and as a consequence, few exist." Which type of market does this statement

asked Jul 6, 2021

1 answer

4 votes

228k views

A. led the attack against Captain Tenorio's troops at Anahuac. Andrew Briscoe b. Henry Smith c. Peter W. Grayson d. William B. Travis Please select the best answer from the choices provided Ο Α B ОООО

asked Jun 21, 2021

2 answers

2 votes

221k views

Which is a rational number? -15/4 -7/9 4 with a rational sign? pi

asked May 22, 2021

2 answers

0 votes

51.0k views

A person is standing 200ft from a tower. She can see the top of the tower at a 42 degree angle of elevation. Her eyes are 5ft above the ground*. What is the height of the tower. Round your answer to the

asked May 8, 2021

1 answer

2 votes

164k views

Ocean water cannot be used to nourish land animals because

asked Apr 6, 2021

1 answer

0 votes

228k views

Based on these tables, what can you determine about the students in this class? Check all that apply. There are 35 students in the class. 11 of the students are boys who have summer birthdays. 19 of the

asked Mar 2, 2021

2 answers

2 votes

201k views

Complete the table 30x – 6y = -6x2

asked Feb 11, 2021

1 answer

3 votes

59.3k views

Explain how autotrophs and heterotrophs obtain energy from the sun.

asked Jul 19, 2019

1 answer

2 votes

31.7k views

Which statement about nuclear fusion is correct? A. Two hydrogen electrons become protons during fusion. B. Helium nuclei can fuse to form elements such as nitrogen. C. The fusion reaction lasts for several

asked Jul 17, 2019

2 answers

2 votes

162k views

Gina read 120 pages in 4 days. Which is an equivalent rate

asked Apr 4, 2019

2 answers

5 votes

56.5k views

Which statement best describes the roles of snow and rain in the water cycle?

asked Mar 27, 2019

2 answers

1 vote

15.6k views

The frame around a picture with an area of 192 square inches, measures x inches across. The length of the picture with its frame is 40 inches and the width of the picture with its frame is 24. What are

asked Dec 1, 2018

1 answer

4 votes

198k views

Can you explain this to me

asked May 5, 2018

1 answer

3 votes

209k views

Taking the sociological approach to everyday life has strengths and weaknesses. one of the weaknesses of this approach is what?

asked May 2, 2018

1 answer

4 votes

193k views

To what did the Law of the Twelve Tables in ancient Rome refer?

asked Mar 1, 2017

1 answer

4 votes

214k views

5 mangoes cost $25. what will 20 mangoes cost?

asked Feb 5, 2017

2 answers

3 votes

62.2k views

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