Answers by Robin Ellerkmann
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Answers by Robin Ellerkmann

Answers by Robin Ellerkmann
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Hess’s law is based on what principal?
answered Jul 19, 2019
3 votes
30.3k views
iron oxide is formed when iron combines with oxygen and air how many grams of Fe2O3 are formed when 33.4 g of Fe reacts completely with oxygen
answered Jul 2, 2019
6 votes
223k views
Give an example from everyday life of an angle that measures 90 degrees.
answered May 9, 2019
4 votes
119k views
You are saving $5 each week to attend a summer program that costs $300. You already have $84. You have also received a $50 scholarship for the program. How many weeks of saving do you need? a. 44 weeks
answered Nov 18, 2018
4 votes
213k views
REPRESENT A PROBLEM: Six friends share 5 meat pies. Each friend first eats half of a meat pie. How much more meat pie does each friend need to eat to finish all the meat pies and share them equally? Draw
answered Jun 7, 2018
0 votes
62.0k views
Which of the following would be the most effective way to persuade a local city council to change a curfew policy? Organize a protest march down Main Street. Hold a mass demonstration after curfew. Write
answered Apr 17, 2018
6 votes
165k views
Which of the following entries or sets of entries would record sales for the month of july of $200,000 for goods costing $119,000 for?
answered Mar 15, 2018
1 vote
174k views
What did the earliest groups of people spend most of their time doing?
answered Mar 4, 2018
4 votes
228k views
Mutations within an organism can occur in body cells or reproductive cells. Which type of mutation is seen in a sperm cell but not in a skin cell?
answered Aug 23, 2017
5 votes
203k views
A right triangle has legs with lengths 9 cm and 40 cm. What is the length of the hypotenuse? ___cm?
answered Jul 18, 2016
3 votes
200k views
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