A 20.8 G sample of nickel(s) is placed in excess HCl(aq) and the gas produced is collected over water in a 2.5L container. The vapor pressure is 21.1 mmhg at 23 degrees C. After the reaction is finished,...

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A 20.8 G sample of nickel(s) is placed in excess HCl(aq) and the gas produced is collected over water in a 2.5L container. The vapor pressure is 21.1 mmhg at 23 degrees C. After the reaction is finished,...

please help me i am unable to get the solution

2.5+1.25×

In polynomials, (√y+5 )is not polynomial. As stated in textbook but (5) is a polynomial(monomial) because 5 * x° =1. Then (√y+5) also has the digit 5 then why it cannot be a polynomial

what is the number and how does the equation would look like ?

A man drives for a while at 45 mph. Realizing that he is running late, he increases his speed to 60 mph and completes his 405-mile trip in 8 hours.

I relly need help to solve this problem

A merchant wants to mix peanuts worth $3 per pound with jelly beans worth $1.50 per pound to make 30 pounds of a mixture worth $2.10 per pound.

A plane can fly 620 miles downwind in the same amount of time as it can travel 400 miles upwind.

(-2,2);y=1/2 x-3

What is 7x=3y+21

$400 + 5% x represents sales

what is the magnitude of the force needed to accelerate a object at a rate of 100 m/s per second.

So technically I'm trying to find out "How many pounds each friend gets"

Can you please help me solve this

(-2,2);y=1/2 x-3

your building a pen a book suggests between 200 and 585 square feet of space inclusive write 2 inequalities that could be used to describe the area restrictions in terms of the length and width of...

Answer choices a. 15 degrees b. 30 degrees c. 60 degrees d. (square root 3) divided by 4

I have no idea how to do that!

Write a letter equation for each sentence.