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Two particles have a total mass of 10.0g. Particle A is located on the x-axis at xA=2.0 cm, while particle B is located on the x-axis at xB=4.0 cm. The center of mass of this two-particle systems is located at xcm=3.4 cm. Calculate the mass of each particle?

A lab analysis of 0.502 g of Scandium (Sc) reaction with Oxygen (O2) from Air resulted

in the formation of a metal oxide (MO) which had a mass of 0.768 g.

Find the empirical formula of this metal oxide → Sc?O?



the 11th term of a geometric sequence is 81 and the 14th term is 3. find the 4th term


calculate the heat required to boil 325 g of water




A 0.010 0-kg wire, 2.00 m long, is fixed at both ends and vibrates in its

simplest mode under a tension of 200 N. When a vibrating tuning fork is placed

near the wire, a beat frequency of 5.00 Hz is heard. (a) What could be the

frequency of the tuning fork? (b) What should the tension in the wire be if the

beats are to disappear?




A 0.010 0-kg wire, 2.00 m long, is fixed at both ends and vibrates in its

simplest mode under a tension of 200 N. When a vibrating tuning fork is placed

near the wire, a beat frequency of 5.00 Hz is heard. (a) What could be the

frequency of the tuning fork? (b) What should the tension in the wire be if the

beats are to disappear?


if I contain 3 moles of gas in a container with a volume of 60 liters and at a temperature of 400K, what is the pressure inside the container?



Find the first partial derivative of

f(x,y) = "(4x-y)\/(4x+y)" at the point (4,2) for both x and y.



Consider a sample of calcium carbonate in the form of a cube measuring 5.093cm on each edge . If the sample has a density of 2.71g.ml^-1 . Calculate the number of moles of calcium carbonate .


2. Which of the following phenomena best illustrates Charles' Law?Explain your answer.











A. Carbon dioxide being dissolved in water B. Expansion of the balloon as it is being submerged in hot water











C. Breathing apparatus being used by a patient











D. Leavening agent causing the fluffiness of cake products

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