Two moles of gas are at STP. If the temperature changes to 47.°C and the pressure decreases to half of what it was, what volume do the two moles now occupy?
What will be an ideal response?
105. liters
Physics & Space Science
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About how many tons of meteorites strike the Earth on a daily basis?
A) 20 tons B) 200 tons C) 2000 tons D) 20,000 tons
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Harry takes a space voyage and returns to find his twin sister has aged more than he has. This is evidence that
A) she has changed frames of reference. B) he has changed frames of reference. C) both have changed frames of reference. D) neither has changed frames of reference
Physics & Space Science
The length of the telescope is 1.60 m and it has a magnification of 60.0. What is the focal length of the objective?
A) 60.0 cm B) 157 cm C) 100 cm D) 128 cm E) 96.0 cm
Physics & Space Science
The spin of elementary particles is quantized
a. True b. False Indicate whether the statement is true or false
Physics & Space Science