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Briefly explain how the nuclear fusion of hydrogen to helium produces energy. Be sure to include E=mc2 in your response.
How would the ground-state energy levels of X and H compare (where X is an atom with one electron like Hbut different energy levels)? For X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J).
a 155 g sample of an unknown substance was heated from 25.0degc to 40.0degc. in the process the substance absorbed 5696
what is the following's states at atmospheric temperature?
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.00878 mol/L. 2 NO2(g) ® 2 NO(g) + O2(g)
Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
What is the pH at the stoichiometric point? What is the pH when 105% of the base required to reach the stoichiometric point has been added?
What is the pH of the solution created by combining 2.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
question a sucrose table sugar molar mass 342 gmol solution was made by dissolving 68.2g of sucrose in 800 g of water.
Initially a mixture contains 0.760 mol each of N2 and O2 in an 8.26-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C.
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
Find the maximun number of moles of PbCl2 that can be dissolved in 1.00 L of 0.30 M NaCl(aq) at 25 degrees celsius, given that Ksp = 1.7 x 10^-5 fpr PbCl2 at 25 degrees celsius.
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