Questions by Mike James Johnson

Questions by Mike James Johnson

Which of the following errors could cause your percent yield to be falsely high, or even over 100%? Select ALL that apply. A.) Heating the sample too vigorously. B.) Handling the crucible directly with

asked Aug 19, 2021

1 answer

3 votes

180k views

A research student is working with a culture of bacteria that doubles in size every five minutes. The initial population count was 1000 bacteria. Write an exponential equation representing this situation.

asked Aug 9, 2021

2 answers

4 votes

19.9k views

Student Bookmarks An unknown substance with a mass of 56.5 grams is placed in a graduated cylinder Aluminum 2.7 Gold 19.3 Iron 7.87 Lead 11.3 Before After What is the identity of the unknown substance?

asked Jun 18, 2021

1 answer

5 votes

161k views

Which points on the number line represent the quotients of these expressions? 12 devided by (-6) -15 devided by (-3) -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 it has 2 or 3 numbers as the answers plz answer

asked Jan 19, 2021

1 answer

2 votes

208k views

In the important industrial process for producing ammonia (the Haber Process), the overall reaction is: N2(g) + 3H2(g) 2NH3(g) + 100.4 kJ A yield of NH3 of approximately 98% can be obtained at 200°C and

asked Sep 21, 2020

1 answer

4 votes

55.1k views

On June 1, Harding Co. purchased a machine for $14,000 and estimates it will use the machine for five-years with a $2,000 salvage value. Using the straight-line depreciation method, compute the machine's

asked Aug 24, 2020

2 answers

1 vote

69.5k views

3.045 divided by 1.5

asked Apr 10, 2020

1 answer

3 votes

73.3k views

Jill is about to get her progress report in one week. Her grades are 60, 100, 33, 45, 88, 90, 20 and 75. Can you help her find the mean, which is her average before she gets her progress report.

asked Mar 25, 2020

2 answers

5 votes

89.0k views

Porque os custos dos plano de saude aumentarão ?

asked Feb 25, 2020

1 answer

2 votes

41.4k views

The process of cellular respiration, which converts simple sugars such as glucose into CO2 and water, is an example of _____. See Concept 8.1 (Page) View Available Hint(s) The process of cellular respiration,

asked Jan 10, 2020

1 answer

3 votes

104k views

How did the cold war begin? who was involved in the cold war? was there fighting in the cold war?

asked Jan 2, 2020

2 answers

2 votes

234k views

What the mixed fractions for 14/15

asked Dec 2, 2019

1 answer

5 votes

167k views

David rolls a die and spins the spinner. What is the probability that he gets a 1 on both the die and the spinner? A. 1/5 B. 5/12 C. 1/12 D. 1/24 For the senior-class election, 8 candidates are running

asked Oct 14, 2019

2 answers

2 votes

71.1k views

Melissa has twice as many pencils as elle. The difference in pencils is 15 how many pencils does each of the girls have

asked May 15, 2019

2 answers

4 votes

51.8k views

Which of the following is the correct name for the compound MgBr2? Magnesium bromate Magnesium bromide Magnesium dibromide Magnesium (1) bromide

asked Mar 2, 2019

1 answer

1 vote

120k views

What are the stages in the water cycle?

asked Feb 14, 2019

1 answer

5 votes

167k views

Which answer best summarizes the purpose of the Olive Branch petition? It was written by the colonists to ask the king to protect their rights and to tell him they wanted peace. It was rejected by the

asked Jun 8, 2018

2 answers

1 vote

165k views

2/5ab What are the factors of the expression? Drag all of the factors of the expression into the box. Factors −1 2 5 2 5 a b

asked May 27, 2018

1 answer

4 votes

1.8k views

Which of the following statements about quality information is true

asked May 22, 2018

1 answer

4 votes

669 views

One positive integer is 3 less than twice another. the sum of their squares is 233. find the integers.

asked Apr 12, 2018

1 answer

5 votes

52.2k views

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