Answers by Dan Constantinescu
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Answers by Dan Constantinescu

Answers by Dan Constantinescu
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Hi can someone please help me with these ? How many molecules in the formula: 3 H2SO4 How many Al atoms in the formula: 2 Al2(CO3)3 How many total atoms in the formula: 3 MgBr2
answered Nov 14, 2020
6 votes
146 views
For security, a credit card number is coded in the following way, so that it can be sent as a message. Subtract each digit from 9. 1. Code the credit card number 3201 2342 3458 0931. 2. A coded credit
answered Aug 20, 2020
1 vote
210k views
How many men were killed in the battle for independence
answered Jun 9, 2020
3 votes
86.3k views
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answered May 22, 2020
4 votes
147k views
Explain why the can was crushed (or should have been crushed) when placed in the ice water. Keep in mind that molecules in a gaseous state need more room to move than when they are in a liquid state. 35
answered Apr 30, 2020
4 votes
1.8k views
A manufacturer believes that the cost function C(x)=5/2x^2+120x+560 approximates the dollar cost of producing x units of a product. The manufacturer believes it cannot make a profit when the marginal cost
answered Jan 23, 2020
4 votes
13.5k views
Read the passage from the Odyssey. Dear friends, more than one man, or two, should know those things Circe foresaw for us and shared with me, so let me tell her forecast; then we die with our eyes open,
answered Sep 29, 2019
3 votes
197k views
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