Answers by Peter Hall

Answers by Peter Hall

Determine the hydroxide ion concentration in a solution that is: 1 × 10-4 M HCl. (kw = 1.0 X10-14)

answered Jun 22, 2021

0 votes

1.1k views

Mirele needs to buy fencing to completely surround her backyard pool. How much fencing should she buy? A pool has a length of 31.74 feet and a height of 14.85 feet. 29.70 feet 63.48 feet 66.35 feet 93.

answered Jun 20, 2021

2 votes

191k views

Which was a consequence of the Haymarket Square Riot? eroded support for the Knights of Labor boosted support for the Knights of Labor eroded support for the American Federation of Labor boosted support

answered Jun 15, 2021

3 votes

189k views

The United States Supreme Court reviews laws and decides if they align with the intent of the U.S. Constitution. This is an example of which type of power?

answered May 20, 2021

2 votes

25.1k views

2. Find the distance between (-2,1) and (3,4).

answered Apr 18, 2021

6 votes

230k views

Model development should be left to quantitative analysts; the model user's involvement should begin at the implementation stage. Group of answer choices False True

answered Apr 15, 2021

2 votes

66.6k views

OPEC helps to make decisions about the price and production of __________. A. coal B. copper C. diamonds D. oil

answered Apr 5, 2021

4 votes

222k views

Which event was the final straw and initiated the US to join WW1

answered Feb 26, 2021

1 vote

68.9k views

How many 10 digit phone numbers are possible with area code of 416?

answered Feb 12, 2021

3 votes

197k views

Can you solve this

answered Jan 30, 2021

4 votes

188k views

A gas that has a volume of 28 Liters, a Temperature of 318 K, and an unknown pressure initially has its Volume increased to 34 Liters and its Temperature decreased to 308 K. If I measure the pressure after

answered Jan 12, 2021

4 votes

114k views

What was the source of the name "Pilgrims" as applied to the Plymouth Separatists? The name "Pilgrims" was given by the Indians during a special banquet. The name "Pilgrims" was quoted by historians from

answered Oct 18, 2020

2 votes

3.0k views

Liquid n-pentane and liquid n-octane are mixed to form a stream flowing at a rate of 1,496.5 lbm/hr. An in-line density measurement determines the mixture density is 0.654 g/mL. Calculate the volumetric

answered Apr 17, 2020

3 votes

35.2k views

Choose the correct figure of speech. Sally imitates the way a sloppy person eats spaghetti to show that good table manners are desirable. exaggeration simile metaphor irony satire

answered Mar 7, 2020

6 votes

24.0k views

After traveling steadily at 400 meters above a shipwrecked hull, a submerged vessel starts to descend when its ground distance from the hull is 7 kilometers. What is the angle of depression for this part

answered Feb 17, 2020

5 votes

96.0k views

A man wearing warm clothes in a cold place would be an example of how humans A.Adapt to their environment. B. Affect their environment. C. Can change their environment.D. Choose where to live.

answered Jan 12, 2020

3 votes

77.5k views

in a certain chemical the ratio of zinc to Cooper is 4 to 19 A jar of the chemical contains 760 grams of cooper how many grams of zinc does it contain ?

answered Oct 26, 2019

4 votes

188k views

The sides of a triangle are in the extended ratio 2 colon 6 colon 7. If the perimeter of the triangle is 45 inches, then what is the length of the shortest side?

answered Sep 12, 2019

6 votes

165k views

Which of the following was one of the major effects of the Louisiana Purchase? A. It made Jefferson a dictator. B. It doubled the size of the United States. C. It put the port of New Orleans in danger.

answered Sep 4, 2019

4 votes

118k views

What mass of a material with density ρ is required to make a hollow spherical shell having inner radius r1 and outer radius r2? (use any variable or symbol stated above as necessary.)?

answered Aug 14, 2019

3 votes

109k views

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