Chemistry
A coffee cup calorimeter contains 25.0 grams water at 23.8 C A 5.00g sample of an unknown metal at an initial temperature of 78.3 C was dropped into the calorimeter. The final temperature of mixture was 46.3 C. Calculate the specific heat of the metal. The specific heat of ate...
Organic 1
what orbital overlaps in butene
geometry
7 points are placed in a regular hexagon with side length 20. Let m denote the distance between the two closest points. What is the maximum possible value of m?
math
order numbers least to greatest3/2,-1.2,0.8,_1/3
Chemistry
Phosphorus pentachloride decomposes according to the chemical equation PCl5(g) <-> PCl3(g)+Cl2(g) Kc=1.80 at 250 degrees Celsius A 0.222 mol sample of PCl5(g) is injected into an empty 3.25 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and...
math
a sprinter runs the first 50 meters in 5 seconds. What will be the velocity at the end of the 5 seconds?
physics
A wooden crate weighs 780 lb. What force is needed to start the crate sliding on a wooden floor when the coefficient of starting friction is 0.40?
Math?
Place twelve $1 bill and twelve $10 bill on the template. Than exchange bills so that the same amount of money is on the template using the fewest number of bills. Write the result in expanded form
Math?
How much money is one $100 bill plus $10 bills plus fifteen $1 bill?
Math
Place twelve $10 bill on the place value template then exchange ten of the bill for one $100 bill and write the result in expanded form
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