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What are the rules for naming Molecular Compounds?How are ions formed?What are polyatomic atoms?
10.0 moles of nh3 and 10.0 moles of h2 are introduced into a 2.00 l flask. at equilibrium 3.0 moles of nh3 gas remain.
What is the maximum height, neglecting all forms of friction, to which a car of mass 1000 kg can be driven on 1.00 gallon of fuel given that the engine cylinder temperature is 2000 C and the exit temperature is 800 C?
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. Ca(s)+ HCI(aq)
c2h4g o2g co2g h2oghow many moles of o2 would be required to react with 0.410 moles of c2h4 in the above unbalanced
Define this observation- While zinc metal is added to a solution of dilute H2SO4 bubbles of gas are formed and the zinc disappears.
Calculate the concentration of OH- ions in a HCl solution whose hydrogen ion concentration is 1.5M
a) write out the acid dissociation reaction for hydrochloric acid. b) calculate the pH of a solution of 5.0 x 10^-4 M HCl. c) write out the acid dissociation reaction for sodium hydroxide. d) calculate the pH of a solution of 7.0 x 10^-5 M NaOH.
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2). Write the molecular equation for the reaction
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
Some suggest that the Piltdown Man episode points to the scientific method at its worst and its best. What do they mean by this?
In a titration experiment, a 12.5 mL sample of 0.0500 M KOH neutralized 14.7 mL of HNO3 solution. Calculate the molarity of the HNO3 solution.
Diphosphorous pentoxide(3.54g) has rected with ferric oxide (5.45g). What is/are the mass/masses of the product/products obtained per reaction assuming 85% yield
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