Questions by Xiaojun

Questions by Xiaojun

Determine the number of moles of H in each sample. 1. 4.56 mol H2O 2. 7.86 mol NH3 3. 0.113 mol N2H4 4. 36.0 mol C10H22

asked Dec 10, 2023

1 answer

23 votes

492k views

Which of the following is NOT used by forensic scientists to test for the presence of drugs in a human? a. blood b. hair c. skin cells d.saliva

asked Nov 17, 2023

1 answer

42 votes

91.9k views

Mrs. Smith bought 3 pies for her family dinner. There were 10 people eating dinner. How much pie did each person get?

asked May 17, 2023

1 answer

12 votes

223k views

PLEASE HELP!! THANK YOU!

asked Mar 7, 2023

1 answer

41 votes

422k views

What is the circumference of a circle (to the nearest whole number) whose diameter is 12?

asked Jan 28, 2023

2 answers

6 votes

513k views

El professor de arte es optimista.

asked Nov 23, 2022

1 answer

8 votes

227k views

Order these numbers from least to greatest. 4.92, 9 25' -0.3, 24

asked Oct 2, 2022

1 answer

41 votes

281k views

PLEASE HELP FOR MATH!!!!

asked Apr 15, 2022

2 answers

22 votes

433k views

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