What is the resulting speed of the combined cars
A 20,000 kg railroad car is traveling at 3 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?
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A buffer solution is made by dissolving CH3COOH and NaCH3COO in water. Write an equation that shows how this buffer neutralizes added acid? write and equation that shows how this buffer neutralizes added base?
A fisherman and his rowboat have a combined mass of 125 kg. Standing in the motionless boat in calm water, he tosses out a 5 kg rock from the back of the boat, with a velocity of 5 m/s. What will be the resulting speed of the boat?
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) -> H2(g) + I2(g) .
Ethane C2H6 burns in oxygen. What are the products of reaction. Write the balanced equation for the reaction
Determine the mass in grams of NH3 formed from 1.34 moles of nitrogen
How many air molecules are in a rm 12.0 times 12.0 times 10.0~ft room? Assume atmospheric pressure of 1.00 rm atm, a room temperature of 20.0 rm {}^{circ}C, and ideal behavior.
A lead ball is dropped into a lake from a diving board 4.80 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 4.80 after it is
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
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Question: In which of the following cases does female status tend to be highest? Group of answer choice
When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Question: Which of the following is a criticism of Marxist/conflict theories? Group of answer choices
Identify problems and concerns that contributed to the many race-related protests and unrest during the 2020 year.
This week watch the 3 short video clips below about cultural appropriation. These videos will redefine terms like cultural appropriation
Multiple Choice Question Identify a true statement about political systems controlled by men. Multiple choice question.
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).