Questions by Ken Zhang

Questions by Ken Zhang

How many hydrogen molecules are in 0.450 moles of H2?

asked Dec 17, 2023

1 answer

9 votes

27.8k views

What role did robert de niro play in the godfather.

asked Jun 2, 2023

2 answers

25 votes

45.7k views

Divide and reduce to lowest terms10÷ 5/8

asked Apr 25, 2023

1 answer

5 votes

146k views

Lucia is using energy at a rate of 210 kilocalories (kcal) per hour (h) ice skating. At what rate is Lucia using energy in calories per minute ( / min ) ?

asked Apr 13, 2023

1 answer

23 votes

174k views

Takyra has n nail polish colors. Samantha has 4 more than twice the number of nail polish colors. In terms of n, how many nail polish colors does Samantha have? 3n - 4 3n +4 2n +4 2n x 4

asked Sep 27, 2022

1 answer

4 votes

228k views

How many moles of water are produced from the reaction of oxygen with four moles of propane (C3H8)? C3H8 + 5O2 --> 3CO2 + 4H2O

asked Sep 16, 2022

2 answers

11 votes

87.2k views

Who freed the slaves in America? A Lincoln B the slaves freed themselves

asked Jul 13, 2022

2 answers

4 votes

145k views

Which of the following best describes “sleep-driving”

asked Jun 23, 2022

2 answers

5 votes

41.2k views

The Click-O Pen Company produced 1.8x10^6 pencils each year for 4 years. What was the total number of pencils the Click-O Pen Company produce during those 4 years?

asked Oct 18, 2021

1 answer

3 votes

211k views

I need help!! Thank you

asked Oct 10, 2021

1 answer

3 votes

203k views

What was the result of the Pullman Strike?

asked Sep 20, 2021

1 answer

1 vote

175k views

What good/item did Egypt NOT trade?

asked Jul 15, 2021

1 answer

3 votes

209k views

a bathroom floor having dimension of 2 m long and 1 m wide is to be paved with square tile of side 20 cm . Find the number of tile required?

asked Jun 25, 2021

1 answer

2 votes

139k views

Two major automobile manufacturers have produced compact cars with engines of the same size. We are interested in determining whether or not there is a significant difference in the mean MPG (miles per

asked Jun 4, 2021

1 answer

5 votes

232k views

What is 20+20909909090909090909090909090909090

asked Apr 19, 2021

1 answer

1 vote

53.8k views

One widespread trend under way in business today that will affect the goals of the organization you work for is: Select one: a. social intelligence b. new media adaptations c. an increased focus on ethical

asked Jan 27, 2021

1 answer

5 votes

160k views

A random sample of 4000 college students yielded 2250 who are in favor of banning Hawaiian shirts. Estimate the true proportion of all college students who are in favor of banning Hawaiian shirts using

asked Jan 17, 2021

1 answer

3 votes

34.5k views

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