Questions by David Hersey

Questions by David Hersey

Caffeine, a stimulant found in coffee, tea, and chocolate, contains 49.48% C, 5.15% H, 28.87% N and 16.49%O and has a molar mass of 194.2g/mol. Determine the empirical formula and molecular formula of

asked Aug 15, 2022

1 answer

8 votes

133k views

How do I find the answer to number 8?

asked Apr 18, 2022

1 answer

1 vote

79.0k views

HI can you plzzz HELP thank you ASAP\ In the late 1990's the Mexican government passed a number of laws concerning the manufacture and operation of automobiles. These included switching to cleaner-burning

asked Jan 18, 2022

2 answers

8 votes

191k views

Which is a personal reason for using tobacco? weight loss peer pressure family use celebrity use

asked Nov 20, 2021

2 answers

2 votes

72.7k views

Explain your reasoning for distributing the pints of blood the way that you did.

asked Oct 16, 2021

2 answers

0 votes

172k views

What is the constant proportionality in the table below?

asked Sep 13, 2021

1 answer

2 votes

151k views

In the coordinate plane, the directed line segment from K to N has endpoints at K(–6, –2) and N(8, 3). Point L partitions the directed line segment from K to N in a ratio of 1:2. Point M partitions the

asked Aug 24, 2021

2 answers

1 vote

203k views

Midpark Co.purchased a 30% interest in Cycling Pros, Inc. on December 31, 2020 for $1,000,000. On that date, Cycling Pros' net assets had a book value of $2,000,000 and fair value of $3,000,000.

asked Jul 8, 2021

1 answer

5 votes

52.6k views

Which word, if translated into English from another language, would have the most negative connotation? A. Reckless B. Untroubled C. Carefree D. Daring

asked May 18, 2021

1 answer

2 votes

59.6k views

What is the shaded area?

asked Apr 7, 2021

2 answers

2 votes

60.4k views

Calculate the ratio of H+ ions to OH– ions at a pH = 7. Find the concentration of H+ ions to OH– ions listed in Table B of your Student Guide. Then divide the H+ concentration by the OH– concentration.

asked Feb 5, 2021

1 answer

4 votes

37.7k views

What cubed equals 3 and 3/8

asked Nov 28, 2020

1 answer

4 votes

135k views

A Nichrome wire 44 cm long and 0.30 mm in diameter is connected to a 3.1 V flashlight battery. What is the electric field inside the wire? (Enter the magnitude.)

asked Oct 21, 2020

1 answer

4 votes

44.9k views

We children of course were only vaguely aware of the extent of our poverty. Having no radios few newspapers and no magazines we were somewhat unaware of the world outside our community

asked May 3, 2020

1 answer

1 vote

113k views

How are electromagnets and bar magnets alike and how are they different ?

asked Feb 28, 2020

1 answer

0 votes

215k views

Which shows the decimal 0.1414141414141414141414141414141414141414141414141414141414141414141414141414(the 0.14 is a never-ending decimal number) expressed as a fraction in simplest form? A. 7/50 B. 14/99

asked Sep 21, 2019

1 answer

0 votes

179k views

A+B share a ratio of 2:3 A pays 126 how much does B pay

asked Sep 13, 2019

1 answer

3 votes

115k views

How did increased immigration help U.S. farmers? A. More immigrants meant more cheaply paid farm hands. B. More immigrants meant cheaper farm equipment. C. More immigrants meant cheaper mass-produced clothing.

asked Oct 10, 2018

1 answer

1 vote

90.3k views

The height of an arrow shot upward can be given by the formula s = v0t - 16t2, where v0 is the initial velocity and t is time. How long does it take for the arrow to reach a height of 48 ft if it has an

asked Sep 25, 2018

2 answers

5 votes

169k views

a rain barrel is filled to capacity at 50 gallons. it Drains at a rate of 10 gallons per minute. What is the equation?

asked Mar 26, 2018

1 answer

0 votes

111k views

Page:

Search QAmmunity.org