1: Write the positive and negative ions that result when the following compounds are dissolved in an aqueous solution: Compound:
1. Na2CO3(a)
2. FeBr3(aq)
3. Al2(SO4)3(aq)

2: Write word and formula equations for the reaction of sodium hydroxide, NaOH(aq) and phosphoric acid, H3PO4(aq). Word equation. Formula equation. Why does this reaction occur?

What is the mass of 0.46 mol of mgcl2

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

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.