Chemistry, 20.05.2021 23:10 Picklehead1166
How much energy is required to heat 2 kg of water through the following changes? Use values from latent heat and specific heat constant tables when necessary. Show your work by either typing it out or submitting a picture of your work on paper. (10 points) i. Heat 2 kg ice from -5°C to 0°C (2 points) ii. Melt 2 kg ice at 0°C (2 points) iii. Heat 2 kg water from 0°C to 100°C (2 points) iv. Vaporize 2 kg water at 100°C (2 points) v. Heat 2 kg steam from 100°C to 115°C (2 points) Time left for this
Answers: 3
Chemistry, 21.06.2019 13:30
Which is the most likely way an automotive engineer would use chemistry
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 22.06.2019 13:00
These questions are based on the attached photo. the experiment is about burning magnesium metal with oxygen. 1. write the balanced chemical equation for the reaction you are performing. 2. calculate the mass of magnesium metal used in each trial. o trial 1: o trial 2: 3. calculate the actual yield of magnesium oxide for each trial. o trial 1: o trial 2: 4. magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. o trial 1: o trial 2: 5. determine the percent yield of mgo for your experiment for each trial. o trial 1: o trial 2: 6. determine the average percent yield of mgo for the two trials. your company currently uses a process with a similar cost of materials that has an average percent yield of 91 percent. if the average percent yield of this process is higher than that, this could save the company money. what is your recommendation to the company? support your recommendation using your data, calculations, and understanding of stoichiometry gathered from this lab.
Answers: 1
Chemistry, 22.06.2019 20:20
Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa
Answers: 2
How much energy is required to heat 2 kg of water through the following changes? Use values from lat...
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