A boy weighing 25 kg sits in a 1000 kg car at a speed of 15 m/s. What is the total momentum of the car and the boy?

A) 375 kg m/s

B) 14625 kg m/s

C) 15000 kg m/s

D) 15375 kg m/s

Which of the following statements will decrease the amount of work the system could perform? (a) Add to the solution (b) Add solid NaOH to the reaction (assume no volume change) (c) Increase the concentration of the (d) Selectively remove (e) Add to

Which of the following processes does not take place during cellular respiration?

4: The shikimate pathway is critically important and found in plants. Discuss reasons why this pathway is so important and even essential for all organisms, including animals.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Are the noble gases considered inert or reactive? Why?

How many molecules of substance B are produced when 29.3g of substance A reacts? The molar mass of substance A is 19.2g/mol. Convert the mass of A to moles. moles of A: Step 2: Convert the number of moles of A to the number of moles of B.

Which of the following statements is false? A) Entropy increases with the number of microstates of the system. B) The total entropy of the universe increases in any spontaneous process.

Heat energy is transferred to the pot; heat energy is transferred to the liquid; heat energy A) is lost. B) stays in the liquid. C) leaves the pot as the liquid boils. D) is transferred to the spoon and air.

When do scientist rely on estimates

Based on the diagram below, rank the three objects from least dense to most dense. Beaker and objects A. Object X, object Z, object Y. B. Object Z, object Y, object X. C. Object X, object Y, object Z.