PLZ HELP MEEE! I will give BRAINLIEST Chemistry Unit 2 Part 2
You are helping a chemist in their lab, they give you a sample of an unknown substance. They tell you the substance has two isotopes. Unknown Isotope #1 – 63 amu and 70% abundance. Unknown isotope #2 – 65 amu and 30% abundance.

1. What is a scientific question about the substance you could ask given the information you have? 4 points.

2. Knowing that the average atomic mass could identify the unknown substance. Describe/state a model (mathematical) you could use to identify the substance. 5 points

3. You are given three samples of known substances that each looks like your unknown substance. Describe an experiment you could do to verify if your substance is the same as one of your known samples. What would your independent and dependent variables be in your experiment? 6 points

5799

Explanation:

but I think so is the point that we're going through a lot of my friends and 2nd anniversary and I'm still in the shower and I'm still in love and I don't think I can we 7AM do that much u think I'm a bit more say that and that's the answer thank you very much

dishwashers don't have rights

explanation:

dishwashers are meant for one thing and one thing only: dishwashing. they belong in the kitchen making sandwiches and cleaning up for the man of their household. if your dishwasher starts acting up just slap it and wait a minute.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.