Chemistry

easy few questions I solved half and left half. I only have 2 hours but it is easy just check.

how many grams of water are produced from 87.5 g of propane?

Ok So I have an ALEKS homework assigtnment Chemistry 111 General Chemistry I have only 10 topics due, each topic has 3 questions. This shouldnt take any longer than 1 hour for a proffesional.

if only 0.25 m naoh and water are available,how much naoh needs to be added to make 10 litres of 0.20 m solution of naoh

Make an essay about the cell division on mitosis no more than two pages

Discussion 2:   Article:  “Effects of battery manufacturing on electric vehicle life-cycle greenhouse gas emissions” D. Hall, N. Lutsey. “Effects of Battery Manufacturing on Electric Vehicle Life Cycle Greenhouse Gas Emissions”. ICCT Briefing (2018), pp. 1-12. February. 2018  ASSIGNMENT: Read the assigned article to identify and state the following: • Research Question  • Hypothesis  • Method  […]

I need an EXPERT chemistry tutor to help me with my timed online exam speciialy with THERMOCHEMISTRY i have an hour if you dont know about this topic please dont contact me  

Directions: Print this page and complete the problem on the page. You may use the back of the page or attach additional sheets as necessary. Circle your final answers. Show all your work for the mathematical portions. You must show/include units! Consider the reaction of aqueous solutions of silver nitrate (AgNO3) and potassium chromate (K2CrO4) […]

attached areall files to make you understand what exactly i need done Deadlines: 31 hrs for outline and 5 days for full poster project example of poster project is attached.

Calculate the value of [-OH] from the given [H3O+] and label the soultion as acidic or basic.?   A. [H3O+]=8.6×10^-11 M B.[H3O+]=5.4×10^-5 M