How many molecules of hydrogen gas are formed
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water? 2Na+2H2O-->2NaOH+H2
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144 g of ethanol, C H OH, and 96.0 g of water are mixed giving 269.4 mL of a solution with density of 0.891 g/mL. The water is considered to be the solvent. What is the molarity (M) of ethanol in this solution
What is the molarity of a NaOH solution if 28.2 mL of a 0.112 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?
How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C?
How does Christopher Columbus enhance the potential of the New World in his letter? What do you think was his motivation in trying to “sell” the New World?
what is the freezing point of a solution of 1.17g of 1- naphthol, C10H8O dissolved in 2ml benzene at 20 degree centigrade? the density of benzene at 20 degree centigrade is 0.876g/mole. Kf for benzene is -5.12 degree centigrade/molality, and benze
What fact allows the separation of iron and aluminum from nickel and cobalt? What fact allows for the separation of iron from aluminum?
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl
Calculate the energy in joules and calories lost when 10.0 {rm g} ethanol, {rm C_2H_5OH}, cools from 62.5^circ C to -46.0^circ C
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult