Questions by Mwilliams

Questions by Mwilliams

Sunlight that reaches the earth is transformed into chemical energy in the form of water oxygen carbon dioxide sugar

asked May 10, 2021

1 answer

2 votes

143k views

Which of the following are products of the reaction listed? Zn + 2HCI ZnCl2 + H2 H2 НСІ ZnCl2 Zn

asked Mar 5, 2021

1 answer

0 votes

225k views

ABC Corporation has just completed an IPO raising $100 million. The investment bankers handling the offering made total commissions of $4 million. It is most likely that this was A) a firm commitment underwriting.

asked Jan 25, 2021

1 answer

1 vote

162k views

Please help 15 points

asked Sep 23, 2020

1 answer

0 votes

32.8k views

The pressure inside a bottle of champagne is 2.5 atm higher than the air pressure outside. The neck of the bottle has an cross sectional area of 3.0 cm^2. What is the frictional force on the cork due to

asked Sep 5, 2020

1 answer

0 votes

48.2k views

What highly populated city of Europe lies on the prime median

asked Aug 13, 2020

2 answers

0 votes

189k views

Calculate the enthalpy change for the reaction: CaF2+H2SO42HF+ CaSO4 Given that enthalpy changes of formation of: AHi[CaF2] = -1220 kJ mol1. AHf[H2SO4] = -814 kJ mol1. AHi[HF] = -271 kJ mol1. AHi[CASO4]

asked Jun 28, 2020

1 answer

3 votes

64.0k views

Why is it helpful to model an object in 3D? (This is a PLTW class- gateway 1- basically engineering) PLSS HELP

asked Nov 21, 2019

1 answer

2 votes

140k views

HELP ! (20 Points) Why would it appear that the sun does not rise during the winter solstice at 66 degrees latitude? (Consider the tilt of the earth during that season).

asked Sep 4, 2019

1 answer

0 votes

216k views

Help me , this is my homework (Geometry) . I really need help

asked Jan 10, 2019

1 answer

0 votes

35.9k views

Which journalism medium provided only headlines to stories in the 1960s?

asked Dec 4, 2018

2 answers

2 votes

71.7k views

After Southern states seceded from the Union and formed the Confederate States of America, whom did they choose to become president of the Confederacy? A. Robert E. Lee B. P.G.T. Beauregard C. Jefferson

asked Jul 23, 2018

2 answers

5 votes

217k views

Why is oxygen not essential to all living things? Oxygen is used for breathing by only animals Oxygen is a waste product of photosynthesis so is not needed by plants Oxygen is harmful to plants and bacteria

asked May 13, 2018

2 answers

0 votes

187k views

Which event most directly caused the Glorious Revolution?

asked Feb 19, 2018

1 answer

1 vote

223k views

Charlotte’s weekly paycheck is based on the number of hours worked during the week and on the weekend. If she works 13 hours during the week and 14 hours on the weekend, she earns $250.90. If she works

asked Feb 19, 2018

1 answer

0 votes

112k views

Antarctica is 10 percent of Earth's landmass, but less than _________ percent of Antarctica is ice free! a. 5 b. 40 c. 50 d. 90

asked Nov 15, 2017

1 answer

4 votes

94.8k views

What fraction is a full turn of 1 degree?

asked Aug 8, 2017

1 answer

2 votes

176k views

If Bob deposits $5,000 at the beginning of each year for 10 years in an account paying 12% interest compounded annually, find the amount he will have at the end of the 10 years.

asked Mar 12, 2017

1 answer

1 vote

220k views

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