A skateboarder reaches a speed of 130 km/h while attempting to set a world record. At this speed, how far would the skateboarder go in 30 minutes?

A. 45 km

B. 65 km

C. 75 km

D. 95 km

Charlie is drinking a cup of soup which has a pH of 8. Jack is drinking a cup of orange juice with a pH of 6. which item has more free H + ions? Approximately how many more H + ions does the drink with more have?

The kind of energy released when atoms are rearranged to form new bond

Which type of microscope can be used to view cellular organelles such as the endoplasmic reticulum and Golgi?

Aqueous solutions of sodium sulfide and copper (II) chloride are mixed together. Which statement is correct? a. Both NaCl and CuS will precipitate from solution b. No precipitate will form c. Only CuS will precipitate from solution d.

The ksp of lead (ii) hydroxide, pb (oh) 2, is 1.43 * 10-20. calculate the molar solubility of this compound.

What is fusion energy

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

What is the unit used to measure the atomic mass?

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)

Sara and Sam went for a two-hour drive. According to the graph, between. 75 hours and 1.25 hours into their trip, they A) slowed down to a speed of 15km/hour. B) travelled at a constant rate of 30km/hour.