Questions by HeatfanJohn

Questions by HeatfanJohn

Calculate the concentration of vacancies in in fcc silver at 250oC given that the activation energyfor vacancy creation in silver is 79.5 kJ/mol. The units for your answer should be vacancies/cm3.

asked Sep 12, 2021

1 answer

4 votes

169k views

Why do you think there should be free education for children worldwide? list 2 reasons and support them.

asked Aug 2, 2021

2 answers

0 votes

45.0k views

What would heating a sealed glass jar do?

asked Apr 9, 2021

2 answers

5 votes

98.1k views

Often students are asked to explain how certain conditions or events are related to the occurrence of other conditions or events. When a student argues that 'one thing leads to another,' he or she is making

asked Mar 1, 2021

2 answers

4 votes

124k views

Please answer this question now

asked Feb 13, 2021

2 answers

2 votes

71.6k views

Let X denote the number of neutrophils (a special type of white blood cell) in 50randomly sampled white blood cells. If, overall 40% of white blood cells are neutrophils, describethe distribution of X.

asked Jan 2, 2021

1 answer

5 votes

150k views

An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $815,000. If only natural gas is hit, the income will be $260,000. If

asked Mar 12, 2020

1 answer

1 vote

151k views

Difference between ancient and modern mode of information transmission

asked Feb 9, 2020

1 answer

1 vote

42.2k views

Hitler becomes chancellor of germany date

asked Jan 28, 2020

2 answers

5 votes

182k views

What is the Pythagorean theorem and how do I use it?

asked Nov 25, 2019

2 answers

1 vote

98.6k views

A client is resting in bed. the nurse visits the client to reassess the client's pain. the nurse notices that a visitor is in the room and is touching the client in various places on the client's body.

asked Jul 23, 2019

1 answer

1 vote

21.4k views

The Great Depression was caused by all the following reasons except: overabundance of agricultural products driving down prices excessive credit buying the illegal leasing of federal oil reserves too many

asked May 9, 2018

2 answers

5 votes

164k views

Which substance facilitates chemical reactions? A.substrate B.enzyme C.lysosome D.product

asked Jan 3, 2018

1 answer

2 votes

76.7k views

Jenna has a bag of 4 marbles: 1 red, 1 blue, 1 green, and 1 purple. Make a sample space for Jenna picking two marbles at a time. How many outcomes are there?

asked Sep 20, 2017

2 answers

5 votes

133k views

Which of these is a significant effect of vascular plants? They were the first plants to colonize land. They gave rise to mosses. They help maintain ecological balance by preventing desertification.

asked Aug 6, 2017

1 answer

4 votes

80.5k views

What does the speaker mean when he says "she threw blackness everywhere"?

asked Apr 20, 2017

1 answer

3 votes

154k views

The zaibatsu were _____. foreign experts government officials industrial families teachers

asked Apr 5, 2017

2 answers

2 votes

64.5k views

Please help me with this

asked Mar 7, 2017

1 answer

1 vote

184k views

Which one of the following phrases contains vivid words that create imagery? A. Cotton-like clouds B. Twenty soldiers C. Traveled far D. Sang a solo

asked Feb 2, 2017

2 answers

4 votes

197k views

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