Explain why the invention of the microscope was important in the study of cells

A) Cuantas fases tiene una ensalada de tomate y lechuga, un cafe con leche y un vaso de agua y aceite B) Que tipo de sustancias son (Simple o compuesta).

What happens to valence electrons in metals?

How many moles of co2 are produced from the given amount of ch4?

Kylee has been learning that engineering and technology are beneficial to people. She now sees how the things people synthesize are useful. The useful materials that benefit people are synthesized from

In the periodic table of the elements, elements in group 1 have how many outer electrons?

A sample of bismuth weighing 0.687 g was converted to bismuth chloride by reacting it first with HNO3, and then with HCI, followed by careful evaporation to dryness. The mass of the bismuth chloride obtained was 1.032 g.

When 1 g of sodium chloride (NaCl) is placed in 100 g of water, a solution results. Once the solution is prepared, water is now considered what part of the solution?

1. How is pressure affected as depth increases? 2. As the sun heats the surface of the oceans, two layers of water result. What separates the layers? 3. How is temperature affected when? (a) the depth increases (b) the latitude increases 4.

Are nails in a jar with water a chemical change

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.