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I have a Chemistry question which should be very simple but I do not know what significant figures are. Assuming the following numbers are measurements and using the rules for significant figures, determine the answer for the following calculation. (15.5/42)*219.5= 1. 81.0059 ...
Write the standard form of the equation of the circle with the given center and radius. 1. center (-2, 0) and r = 3
Write an equation for the line in point/slope form and slope/intercept form that has the given condition. 1. Passes through (3, 2) and is parallel to 2x-y=4 2. Passes through (-1, -1) and is perpendicular to y = 5/2x + 3
Chemistry Enthalpy Calculations? Given the equation: CaO + H2O ----> Ca(OH)2 A 1 g sample of CaO is dissolved in 100 ml water with density 1.00g/ml. The temperature rise is 3.7 degrees C. The specific heat is 4.00 J/g*deg. 1. Calculate the heat (in J) absorbed/given off by ...
find all the numbers less then 100 that are the product of exactly three different prime numbers.
what potential difference is required to pass 3.0 A through 28 ohm's
The volume of a gas at 20 C and 0.4 atm is 10 mL. What volume will the same gas sample occupy at standard conditions?
Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges? So let's say I use Coulomb's law would the repulsion of 175 N be considered the equivalent of the electric force? Can ...
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