Questions by Petroni

Questions by Petroni

What happened when a drop of the sodium carbonate solution was mixed with the magnesium sulfate?

asked Nov 20, 2021

1 answer

3 votes

186k views

If anyone knows how to do this pls help

asked Nov 9, 2021

2 answers

0 votes

108k views

Who developed the assembly line who developed the first atomic reaction who invented the first telegraph who invented the light bulb who was the "father of the hydrogen bomb" who was an author, diplomat,

asked Sep 23, 2021

2 answers

1 vote

46.3k views

Which factors helped Sumerian agriculture flourish? Group of answer choices High altitude, fresh water supply, bronze tools Fertile soil, irrigation projects, ox-driven plows Regular floodwaters, mild

asked Jul 15, 2021

1 answer

2 votes

195k views

Can someone answer this for me please i’m desperate

asked May 13, 2021

1 answer

3 votes

233k views

The keyword "altogether" refers to what operation?

asked May 9, 2021

2 answers

4 votes

43.6k views

If I have 4 moles of gas at a pressure of 7.6 atm and a volume of 19 liters, what is the temperature?

asked Apr 19, 2021

1 answer

4 votes

204k views

Which sentence is correct? A. Yo vas al dormitorio. B. Tú vas al dormitorio. C. Ella vas al dormitorio. D. Usted vas al dormitorio.

asked Mar 25, 2021

2 answers

1 vote

50.2k views

Find the margin of error for a 90% confidence interval when the standard deviation is LaTeX: \sigma= 50????=50 and LaTeX: n = 25????=25. (Round to three decimal places.)

asked Mar 23, 2021

1 answer

5 votes

163k views

5) What did radicals call for at the Second Constitutional Convention?

asked Feb 25, 2021

1 answer

1 vote

140k views

HELP ASAP PLEASE!!!(9 points ) please be serious which is right ? blank ....is the removal of rock or soil from its original location what goes on the blank A:Weathering B:Erosion C:Moving D;Deposition

asked Feb 13, 2021

2 answers

4 votes

199k views

Where was thanos at the end of infinity war

asked Sep 22, 2020

2 answers

0 votes

119k views

12 more than a number

asked Apr 4, 2020

1 answer

5 votes

194k views

What are the different types of energy involved when you lift your book bag off the floor and drop it?

asked Mar 18, 2020

1 answer

4 votes

145k views

8. How many liters of oxygen gas will be produced by the decomposition of 100.0 grams of sodium nitrate? (Note: 1 mole of any gas at STP will have a vol= 22.4 liters.) 2 NaNO3 → 2NaNO2 + O2

asked Feb 13, 2020

1 answer

2 votes

203k views

Why isn’t there a commutative property for division?

asked Feb 9, 2019

2 answers

1 vote

83.8k views

Susan drove 1500 miles to Daytona Beach for spring break.On the way back she averaged 10 miles per hour less, and the drive back took her 5 hours longer . Find Susan's average speed on the way to Daytona

asked Dec 17, 2018

2 answers

5 votes

84.2k views

People may have chosen to become sedentary because _____.

asked Oct 22, 2018

1 answer

5 votes

92.3k views

What is the definition instrumentality?

asked Dec 13, 2017

2 answers

0 votes

219k views

If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? (Assume both planets are aligned with the sun and are on the same side of the sun.) Show your

asked Oct 17, 2017

2 answers

2 votes

150k views

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