Write balanced thermochemical equation with an energy
When H2(g) reacts with C2H4(g) to form C2H6(g), 137 kJ of energy are evolved for each mole of H2(g) that reacts.
Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
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Calculate the mass of air in an air-filled tire and the mass of helium in a helium-filled tire. What is the mass difference between the two?
Assume you dissolve 6.73 grams Na2CO3 in enough water to make 250 mL of solution. What is the molarity of the sodium carbonate?
230 mL of an HCl solution with pH of 3.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
Could your drink serve different purposes for different consumers? Explain.What is the normal physiological response to increased intake of sugars? to increased intake of caffeine?
When a solution of Cu(II) chloride, CuCl2 , is added to a solution of potassium sulfide, K2S, a black precipitate of copper sulfide, CuS, forms. Write a balanced chemical equation, ionic equation, net ionic equation & spectator ions.
The volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass. Determine the molecular formula of the hydrocarbon.
5.00 ml of a water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. Write an equation for the reaction and calculate the hardness of the water in ppm
Assume that we have a 100 g sample of this compound. The molecular formula mass of this compound is 210 amu. What are the subscripts in the actual molecular formula?
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Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
In this unit, you will learn about physical development in middle childhood and adolescence. In middle childhood, we see important physical changes
Question: Describe your ideal PMHNP position with details of duties and responsibilities in a correctional facility
You are the HIM Director and Compliance Coordinator at Midwest Regional Health Center. The C-suite at your facility has instructed you to tell your staff
How to make a short discussion with reference and citations. Research Design, Statistical Methods, Variables, Setting/Population/Sample for each of the articles
Question: What is used to track the specimen from the surgical unit to the pathology department?
How would I respond to this discussion in casual language and please make sure his conversational without AI detection.