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Twynna
Questions and answers by visitors named
Twynna
Questions (13)
On a trip you travel 308km in 3.5h and use 32L of gasoline.
A) What is your average speed in km per hour? B)What is your gas
1 answer
382 views
Before 1982 the US Mint cast penny coins from a copper and zinc mixture. If a 1980 penny weighs 3.051g and contains 0.153g zinc,
1 answer
473 views
Before 1982 the US Mint cast penny coins from a copper and zinc mixture. If a 1980 penny weighs 3.051g and contains 0.153g zinc,
5 answers
2,126 views
If a solution contains 255ml of ethanol in a 375 ml solution, what is the % of ethanol in that solution?
3 answers
412 views
On a trip you travel 308km in 3.5h and use 32l of gasoline.
A)What is your average speed in kn per hour? B)What is your gas
1 answer
356 views
If 12.45gm NaCI is dissolved in 115ml of water, what is the density of NaCI?
1 answer
310 views
what is the electronic configuration of Li, O, F, P, and B.
Please help!!!!
1 answer
342 views
If 12.45gm NaCL is dissolved in 115ml of water, what is the density of NaCL?
1 answer
334 views
What is the difference between the representations Mg and Mg 2+?
Please help!!!
1 answer
334 views
If 12.45gm NaCL is dissolved in 115ml of water, what is the density of NaCL?
1 answer
400 views
what is the electronic configuration of Li, O, F, P, and B.
Please help!!!!
1 answer
356 views
How do you calculate the weight of the following compounds?
A)H2O2 B)C6H8O6 C)K2Cr2O7 D)C56H88O2
1 answer
327 views
what is the electronic configuration of Li, O, F, P, and B.
Please help!!!!
1 answer
341 views
