30:16
The following balanced equation shows the formation of ethane (C2H6).
C2H2 + 2H2 - CH6
How many moles of hydrogen are needed to produce 13.78 mol of ethane?
3.445 mol
6.890 mol
27.56 mol
55.12 mol

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone