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A balloon was filled 3.00L of helium at 15 degrees Celsius. The balloon then drifted up into the Earth's atmosphere. Assuming the air pressure does not change, determine the volume of that helium balloon when it is 10km above Earth, where the atmospheric temperature is -53 degrees Celsius.
a) How many moles of water form when 5.00L of propane gas completely reacts? b) How many grams of CO2 are produced from 18.5 g of oxygen gas and excess propane? c) How many grams of H2O can be produced from the reaction of 8.50*10^22 molecules of ..
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
Why can you not prepare a solution of pH=8 by diluting sufficiently a 0.01M solution of HCl with water
The values obtained were 0.207 and 0.900 respectively. Calculate the molar concentrations of the oxidized and reduced forms of the NAD.
When aqueous solutions of lead( II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead( II) chromate, PbCrO4, forms
What are some methods done by latent fingerprints. What are some advantages and disadvantages to latent fingerprints?
What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell.
Complete and balance the equation for this reaction in acidic solution. Phases are optional
The difference between the transition state and the energy of the products. C. The difference between the energy of the products and the energy of the reactants. D. Undefined because it depends on whether the reaction is endothermic or exothermic.
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
Equal volumes of 1 x 10-5 M solutions of Cd2+ and CO32- ions are mixed in one flask and equal volumes of 1 x 10-5 M solutions of Ag+ and CrO42- ions are mixed in a second. Which substances precipitate given that the Ksp values of CdCO3 and Ag2CrO4..
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