Lara has four samples of substances: Sample _A: 5 g of salt Sample B: 8 g of sand Sample C: 8 g of sugar Sample D: 5 g of sugar Which of the following samples have the same solubility in water? Sample A and Sample C Sample A and Sample D Sample C and Sample B Sample C and Sample D

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.