Class science Select the things that would happen if the Moon were to vanish

Question 19 options:

Months would be shorter

Tides would be smaller

Eclipses wouldn't happen

Our days would be longer

multiple question's

Which part of the circulatory system exchanges substances such as oxygen and carbon dioxide? (1) vein (2) artery (3) heart (4) capillary

Which one of the following is the net ionic equation for the reaction of nitric acid with aluminum hydroxide

The scale is best used to measure the strength of small, nearby earthquakes. The magnitude scale is useful for measuring the strength of earthquakes of all sizes and at all distances from a seismograph.

Select the one that most likely has the highest rate of effusion Oxygen (O2) or hydrogen (H2) :

If 250. mL of nitrogen is collected at 25.0 degrees C and 105 kPa pressure, what will be the volume of the gas at STP?

Which of the following can be classified as an empirical formula? Why? A. S2Cl2 B. C6H10O4 C. Na2SO3

A student records the value 1.5 atm on a data table. The student is measuring what?

How do you percipitate things from solution to telluric acid?

The energy needed to get a reaction started is the a. enzyme energy. b. activation energy. c. catalyst energy. d. chemical energy.

A solution is made by dissolving 8.2 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.