Which tool would be best for measuring centimeters A. Metric ruler
B. Balance scale
C. Meter scale
D. Measuring tape

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c