How many moles of MgCl2 are there in 329 g of the compound?

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Why must mine tailings be stored and disposed of carefully?

the arm of a crane is 15.0 m long and makes an angle of 70.0 degrees with the horizontal. Assume that the maximum load for the crane is limited by the amount of torque the load produce around the base of the arm.

All the members of a species within an ecosystem are a

A student was travelling on a bus and he was standing in the middle portion of the bus. When the bus driver jammed on the brakes, a wooden box hit the student's legs. He claimed that the box came from the front portion of the bus.

Explain why time is an independent and position is a dependent variable in a position versus time graph.

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?

How many day does it take the sun to came out?

Using the word "more" to mean "I want another cookie" is an example of a (n) :

Ohm's law is I = V : R. What is the current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance? The current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance is (blank) amps.