What are the hydronium ion concentration
What are the hydronium ion concentration and the pH of the solution when a student prepared a 0.10 M solution of acetic acid, CH3COOH and the acetic acid has a Ka of 1.75 x10-5.
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What is the formula of metal chloride if a metal chloride containing 65.74% of Chlorine? Specific heat of metal is 0.115 where 400cc of the vapor of metal chloride at NTP has the weight of 5.8gm.
Determine the number of moles in the 17.7 grams of the compound. Determine the empirical formula for this compound?
Write down a balanced equation for the reaction of the calcium hydroxide, Ca(OH)2, with phosphoric acid, H3PO4, producing the water, H2O and the calcium phosphate, Ca3(PO4)2.
What was the concentration of the hydrochloric acid when a titration was performed on the 50.0 mL of 0.250 M NaOH. After the addition of 71.4 mL of HCl, the phenolphthalein indicator changed from the pink to colorless.
Determine the entropy change of the substance associated with the freezing process (in J/mole/K, with three significant figures). A certain amount of heat, 5.21 kJ, is released during the reversible freezing of one mole of a substance at
Water in contact with air is acidic, rather than neutral, due to dissolve the carbon dioxide. Water in equilibrium with air contains 4.4 x 10-5% CO2.
Discuss why is it important to isolate single colonies and to use only the isolated colonies in this experiment and in biotechnology in general when the cells that are used in the plasmid prep lab are grown from a single colony in Luria Broth.
Explain how would you calculate the exact number of cells in one mL of culture? There are approximately 10^9 cells/ mL in a culture of E. coli cells grown overnight.
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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni