1.You work in a lab and someone needed a test to find out quickly if someone had overdosed on Valium or secobarbital. You suggest a mass spectrum to help identify which drug was consumed. What peaks in the mass spec would tip you off that Valium was present in their blood

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

What is the percentage composition of carbon in the compound ch4