A compound gives a mass spectrum with peaks at mz 77 40

A compound gives a mass spectrum with peaks at m/z = 77 (40%), 112 (100%), 114 (33%), and essentially no other peaks. Identify the compound.

The volume of a manifold used to transfer gases is : the volume of a manifold used to transfer gases is calibrated using boyles law. a 0.251-dm3 flask at pressure of 697

010 m potassium chromate is slowly added to a solution : 0.10 m potassium chromate is slowly added to a solution containing 0.50 m agno3 and 0.50 m bano32. what is the ag

A 250-kg crate b is suspended from a cable attached to a : a 250-kg crate b is suspended from a cable attached to a 20-kg trolley a which rides on an inclined i-beam as shown.

The vessel contains 200 moles of hydrogen 200 moles of : three gases hydrogen argon and methane are confined in a 9.00 l vessel at a pressure of 14.0 atm. the vessel contains

A compound gives a mass spectrum with peaks at mz 77 40 : a compound gives a mass spectrum with peaks at mz 77 40 112 100 114 33 and essentially no other peaks. identify the

Calcium hydride cah2 reacts with water to form hydrogen gas : calcium hydride cah2 reacts with water to form hydrogen gas.cah2s 2 h2ol caoh2aq 2 h2gthis reaction is sometimes used

800 of is initially at room temperature 22 a chilled steel : 80.0 of is initially at room temperature 22. a chilled steel rod at 2 is placed in the water. if the final temperature

When strongly heated magnesium sulfide formed a : when strongly heated magnesium sulfide formed a crystalline deposit on the walls of a sealed reaction vessel. metallic

Two blocks a and b are arranged with pulleys as shown block : two blocks a and b are arranged with pulleys as shown. block a has an initial velocity t 0s to the left of va1.2 ms.