Chemistry
thnk u so much
cHEM
i got 114.5 is this right?
cHEM
It is found that 1.431 g of element X contains 7.509 × 1021 atoms. The atomic mass of X is?
Math/230
A 350 word response how to compute probabilities using z score
Chemistry
What is the change in enthalpy when 17.0 g of liquid mercury is heated by 31°C?
Physics
A force is applied to a door at an angle of 56.8° and 0.34 m from the hinge. a) What force produces a torque with a magnitude of 2.18 N·m? b) How large is the maximum torque this force can exert?
english
what's an example of an appostion in the book Miracle Worker?
algebra
an investment of $50,000 was made by a busines club. the investment was split into three parts and lasted for one year.the first part of the investment earned 8% interest, the second 6%, and the third 9%. total interest from the investments was $3960. the interest from the fir...
Physics
A car is travelling along a highway with a speed of 25 m/s when the driver sees an obstruction 1.80*10^2 m directly ahead. It takes the driver 0.80s to react and begin braking. a) How far does the car travel before it begins to slow down? b) How long will it take the car to st...
Physics
In a target shooting game, wooden blocks are thrown into the air and shot in flight. A block of 0.8kg has a speed of 10 m/s at the top of its trajectory when it is hit by a bullet from below at an angel 60° from horizontal. The mass of the bullet is 5.0 g and its speed is ...
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