What is the total energy
What is the total energy, in kJ, needed to raise 20 g of CH4O (methanol) from - 120 °C to 100 °C? Show your work.
(Change in Hvap=37.4 kJ/mol, Change in Hfus=3.18 kJ/mol, C CH4O(s)=68.39 J/mol, C CH4O(l)=81.56 J/mol, C Ch4O(g)= 44.06 J/mol)
Now Priced at $5 (50% Discount)
Recommended (93%)
Rated (4.5/5)
A solution is prepared by diluting 225 mL of 0.1885 M aluminum sulfate solution with water to a final volume of 1.450 L. Calculate the number of moles of aluminum sulfate before dilution.
or a certain reaction, kc=2.2*10^_4 and kf=0.284 M^-2 *s^-1. Calculate the value of the reverse rate constant, kf, given that the reverse reaction is of the same molecularity as the forward reaction.
Nee High and Low Jack are partners in an accounting firm and share net income and loss equally. High's beginning partnership capital balance for the current year is $285,000, and Jack's beginning partnership capital balance for the current year
Assuming each quadrant of the pizza to be the same, find the center of mass of the uneaten pizza above the axis (that is, the portion of the pizza in the second quadrant). Find the -coordinate.
If the vial weights 185.56 g when filled with liquid mercury (d=13.53 g/cm^3), what is its volume? How much would the vial weight if it were filled with water (d=0.997 g/cm^3 at 25 C)?
What is the freezing depression if .25 moles of sodium chloride was dissolved in 350ml of water?
A transformer connected to a 120-V (rms) ac line is to supply 12. V (rms) to a portable electronic device. The total equivalent resistance of the system is 5.0 Ohm. What should the ratio of primary to secondary turns of the transformer be?
Compute the variable overhead rate and efficiency variances. What relation can you see between this efficiency variance and the labor efficiency variance?
1947521
Questions Asked
3,689
Active Tutors
1420230
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
As a social media manager for a growing fashion brand, you've been tasked with launching a new brand and image campaign on Facebook.
Identify a situation where features will most likely appear in protocols. Question options: Where suppliers are free to change practices
You have done your research and now you are aware of what makes a good podcast. You have recorded some best practices and you believe you have a good idea
Lola: Another Key consideration when discussing web analytics is channel analysis. Channel analysis examines KPIs by traffic source.
Emily manages the social media accounts for a boutique coffee shop called "Morning Brew." She wants to enhance engagement on the shop's Facebook page
A popular clothing brand wants to maintain a strong presence on Instagram and ensure that its audience remains engaged and interested in its products.
Question: How does B2B pricing differ from simple markups on costs? It's based solely on production costs.