this question is based on chemistry and i dont understand it

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this question is based on chemistry and i dont understand it

im doing a project and i dont know what a gallon would be in fractions what would it be please give me an answer

I AM STUCK AND NEED HELP QUICKLY

A poll was taken for how long students spend online. 1 female chose 6-8 hours and 2 males chose 6-8 hours what is the probability of choosing 3 students in a row who spend 6-8 hours onlin...

if 2tan^2a tan^2b tan^2c+tan^2atan^2b+tan^2btan^2c+tan^2a+tan^c=1 prove that sin^2a + sin^2b + sin^2c=1

The fuel efficiency F for a particular car is given by F(x) = -0.018x2 + 1.656 + 4.4. Where x is the speed of the car in miles per hour (mph) and F(x) is the core fuel efficiency in miles...

a car left at 9:35 am and arrived at 1:05pm on the same day. The average speed of the car was 74 km/h and it used fuel at the rate of 9L/100km

A cyclist goes from one village to another at 28 km/hour and returns at 24 km/hour. if the return journey takes two hours longer then the outward journey, what is the distance between the villages...

sin(x) = -sin(2x) + sin(5x) How do I solve for ALL solutions?

Find an equation for the ellipse that satisfies the given conditions. Eccentricity: 0.25, foci: (±1.25, 0)

Of the 800 students of a school, 600 have traveled. What percentage of the students went on a trip?

i got 5.4. it asked for answer to the nearest tenth and said it was wrong? What did i do wrong?

Arnold cuts a plane section perpendicular to the base of this solid. What shape is the plane section?

what was the rate charged per hour by each mechanic if the sum of the two rates was $95 per hour?

Choices are: a) the back generates a lot of sensory input. B) sensation and motor output changes as we mature. C) the hands have small motor units.

What is the length of an arc with a central angle of 4/3 pi radians and a radius of 42 cm? Use 3.14 for pi. Round to the nearest hundredth, if necessary. Enter answer as a decimal.

it is a right angle with two 45 degree angles. I know the one side is also 38.10. I am not understanding how to find the hypotenuse.

What are the dimensions (factor) Width: Length: What is the area of the rectangle write 6x + 3 in factored form

Multiple choice question

What character(s) are affected by colonization or decolonization in "The Dead" by James Joyce and hoW?

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