Classify blood as a mixture or a pure substance. if blood is a mixture, classify it as either heterogeneous or homogeneous. if blood is a pure substance, identify it as either an element or a compound.

Which salt is produced when H2SO4 reacts with NaOH?

When 3.00 g of Mg is ignited in 2.20 g of pure oxygen, what is the limiting reaction? What is the theoretical yield of MgO?

A solution is spilled on the lab bench. It touches litmus paper and the paper turns blue. What should you use to neutralize this solution?

What are the two processes by which nuclear energy is released? Briefly describe the processes.

Be sure to answer all parts. Ammonia is a principal nitrogen fertilizer. It is prepared by the reaction between hydrogen and nitrogen. 3H2 (g) + N2 (g) → 2NH3 (g) In a particular reaction, 4.00 moles of NH3 were produced.

Are all metals acidic in nature and all non-metals basic? and what is the nature of their oxides?

How many atoms of Hydrogen in the products of the following equation? 3NO2 + H2O - -> NO + 2HNO3 1 3 4 2

What reactants form a combustion reaction? O A. A hydrocarbon and oxygen O B. Hydrogen and water vapor O C. A hydrocarbon and water O D. Water vapor and oxygen

Is the Sun bigger and brighter than Betelgeuse?

What is the si unit for the quantity of particles in a sample?