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Elly

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from a window 25meters above a street,the angle of elevation of the top of a wall on the opposie side is 15'.If the angle of
1. 1 answer
2. 474 views
How would you distinguish between calcium hydrogen carbonate and sodium hydrogen carbonate without using any lab chemical
1. 4 answers
2. 2,560 views
After earning interest the balance of an account is $420. The new balance is 7/6 of the orginial balance. How much interest was
1. 2 answers
2. 1,673 views
Refer to the calibration curve shown in the experiment. If the absorbance of the solution is 0.400, what is the concentration of
1. 1 answer
2. 639 views
In a certain trial, the initial concentrations of Fe3+ and SCN- are both 1.00x10^-3 M and the initial concentration of FeSCN2+
1. 1 answer
2. 1,105 views
A solution having a volume of 3.0L contains 23 mmol of Oxygen 2. What is the molarity of this solution?
1. 2 answers
2. 423 views

I can't really understand the answer
lolurmomUWU has a good point. I now do online school because I was bullied a lot and I could not function correctly in a regular classroom. I am very lucky to do school online because I don't want my depression and mental illnesses to get worse like it has
A garden snail moves 1/6 foot in 1/3 hour

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