A student used a balance to measure 34.82 g of a chemical. Which digit of the measurement has the greatest uncertainty? tens place , ones place , tenths place , hundreds place

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

When the mercury level in a barometer decreases that atmospheric pressure has

How many moles are in 123.0 grams of kclo4?