Chemistry
Calculate Kp at 298K for the reaction SO2 + NO2--->SO3 + NO
Trig
A 12 foot ladder leans against a building. The top of the ladder leans against the wall 10.5 feet from the ground. What is the angle formed by the ground and the ladder? Assume its a right triangle.
Geometry
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
rate constant
A reaction has a rate constant of 1.25×10−4 at 28 and 0.227 at 77. Determine activation barrier for reaction What is the value of the rate constant at 18?
Physics
Calculate the amperage of the lights: watts/volts= Amps. Then divide the battery's capacity by the answer.
Physics
The crate, m=68kg, is pushed up an incline, θ=24degrees, at a constant velocity with Fp=500N. μk=?
algebra
i have 8 yards of fabric. how many yards of fabric will i have left over if i made 3 small costumes with 2 5/8 yards
math
there are 4 students sitting to receive their prizes. Alan and Julia wanted to sit together. how many different arrangements of students would there be
math
what is the square root of 6,multiplies the answer bt 2 and then squares that answer.please explain,thanks
math
a box contains more than 25 but less than 40 balls.when we counted by 3 there are 1 left over,when we counted by 5 there are 2 left over.how many balls are there in the box ? please explain how you work it out,thanks
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