3. A train travels at a speed of 80 mph. How far does the train travel in 2 hrs and 42

minutes?

HINT: Distance (S) - velocity (V) x time (T)

A. 160 m

B. 216 mi

C. 240 mi

D. 280 mi

What is the density of the black hole

A 50.0-mL sample of a 1.50 M NaOH solution is titrated with a 2.90 M HCl solution. What will be the final volume (sample + titrant) of solution when the NaOH has been completely neutralized by the HCl?

Compare the hydronium ion concentration of the solution having a ph of 2.0

Can anyone explain how to do Bohr's Model?

Why is predicting our future oil supply controversial and involves some uncertainty? I just need some explaining.

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.