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Element X has the following valence electron configuration: [core]ns2np5. Element M has the following valence electron configuration: [core]ns2. What ionic compound would most likely result from the reaction between ions of M and X?
How many milliliters of 0.10 M HCl must be added to 21.9 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M
What is the molality of a solution of aluminum nitrate that contains 31.0 g of Al(NO3)3 dissolved in 295.0 g of water? Use molar masses with at least as many significant figures as the data given. What is the molality of each of the ions in soluti..
Why do flares contain magnesium powder rather than a solid piece of magnesium? -Smaller particles have a lower energy of activation than larger particles.
Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the following substances: CuSO4, Al2(SO4)3, Pb(NO3)2, and FeSO4.
Suppose 2.00 atm of an ideal gas occupies a volume of 80 mL. What pressure will the gas have when the volume is expanded to 100 mL?
Identify the chemical components and the proportions necessary to achieve a buffer with the desired pH. Include relevant calculations in your answer.
Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions
What is the percent by mass concentration of a solution that was prepared by dissolving 3.0g of salt in 197 g of water?
you have 100 ml graduated cylinder containing 50 ml of water. you drop a 154 g piece of brass d 8.56 gcm3 into the
1.given that nickelii perchlorate that is a polyatomic ion with the formula clo41- dissolving in water first of all
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