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Calculate the total number of moles in the following mixture of elements: 54.0 g aluminum sulfide, 6.022•10^24 atoms gallium and 74.2 ml of nitrogen gas (assume at STP)

write chemical, complete ionic and net ionic equations for the reaction between calcium chloride and sodium carbonate solution.

Mercury orbits the sun once in every 88 days. If the radius of Mercury's orbit is 36,000,000 miles, about how far does Mercury travel in 1 day?

How does an animal cell destroy a toxin such as botox from its system? Could you please go through it step by step and in detail.

change one or both equations to make one of the variables disappear 4x+3y=14 3x+4y=17.5 please show step by step

How do I solve (x-3)^2-4 <= 5? It says to show answer graphically and answering whether it is AND/OR

We are working on graphing quadratic inequalities, and I cannot find any examples online that are similar to this homework problem. Based on the teacher's powerpoint notes, it looks like I graph...

change one or both equations to make one of the variables disappear x+y=79 3x+4y=284 please show step by step

change one or both equations to make one of the variables disappear x+y=3.75 14x-2y=4.5 please show step by step

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Got this wrong on my test and i just wanted to know the right answer

12 "1/2" In diameter using 22/7 as pie. What is the circumference

This was a past paper question but I don't understand how to answer it.

1- this is _____ elephant 2-they sit on ______ benches 3- I have ______ inkpot 4-sunday is ________ first day of the week 5-_______ Sun shines brightly ...

An initial population of bacteria grows continuously at a rate of 2.8% per day. What is the population after 48 hours if the initial bacertial population is 180?

Assuming that the holiday loading is 17.5% of her annual wage

Please help me

what is the focus and directrix of this equation

Find the EXACT area contained by the graphs r=8cos theta and r=6sin theta

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