Question

Show that 1.20kg of aluminum at 120.0C does not have enough energy to completely melt 1.00kg...

Show that 1.20kg of aluminum at 120.0C does not have enough energy to completely melt 1.00kg of ice that starts at -15.0C (from a freezer).    If they are combined and come to a final temperature of zero, how much of the ice actually melts?   (Ans: a little less than 300g)

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A sheet of aluminum weighing 100.0 g and at a temperature of 50.0 C is placed...
A sheet of aluminum weighing 100.0 g and at a temperature of 50.0 C is placed in contact with a piece of copper weighing 100.0 g and at a temperature of 100.0 C. 1) What do you expect to happen? Which metal is going to get warmer? Why? If you did not have a thermometer on the blocks, what visual cue would let you know one is hottter than the other? 2) Will the final temperature just be average of...
Heat is the Total internal energy of an object Average kinetic energy of molecules Measure of...
Heat is the Total internal energy of an object Average kinetic energy of molecules Measure of potential energy of molecules Same thing as very high temperature The specific heat of copper is 0.093 cal/g⁰C, and the specific heat of aluminum is 0.22  cal/g⁰C. The same amount of energy applied to equal masses, say, 50 g of copper and aluminum, will result in A higher temperature for copper A higher temperature for aluminum The same temperature for each metal Unknown results The...
1. What are the requirements for successful price discrimination? Does this type of dry cleaning qualify?...
1. What are the requirements for successful price discrimination? Does this type of dry cleaning qualify? 2. What are other examples of price discrimination? 3. The effectiveness of price discrimination is a different question than whether businesses should be able to discriminate by price. Is this an issue that deserves regulation, or is it best left to the market? Why Women Pay More From dry cleaning to haircuts, women often pay more than men due to gender pricing. Find out...
ch 6 1: It is generally a good idea to gain an understanding of the "size"...
ch 6 1: It is generally a good idea to gain an understanding of the "size" of units. Consider the objects and calculate the kinetic energy of each one. A ladybug weighing 37.3 mg flies by your head at 3.83 km/h . ×10 J A 7.15 kg bowling ball slides (not rolls) down an alley at 17.5 km/h . J A car weighing 1260 kg moves at a speed of 49.5 km/h. 5: The graph shows the ?-directed force ??...
1. Is NASCARs main goal to maximize profits? If not, what is their major goal? Is...
1. Is NASCARs main goal to maximize profits? If not, what is their major goal? Is there a tradeoff involved here? 2. Is the motivation for the actions described in the NYT article (safety changes, blackbox data collection) connected to their goal? Explain. 3. If people tune in to see crashes (Nascar fans love crashes the way hockey fans love fights; when you watch the Speed Channel's edited replays of Nascar races, the plot is always the same: green flag,...
1) Describe an example of each of the following that may be found of your kitchen:...
1) Describe an example of each of the following that may be found of your kitchen: Explain how your choice falls into this category, and if there is a chemical name or symbol for it, provide that as well. Provide a photo of your example with your ID card in it. a) a compound b) a heterogeneous mixture c) an element (symbol) Moving to the Caves… Lechuguilla Caves specifically. Check out this picture of crystals of gypsum left behind in...
Procedure Reaction 1: Dissolving the Copper 1. Obtain a clean, dry, glass centrifuge tube. 2. Place...
Procedure Reaction 1: Dissolving the Copper 1. Obtain a clean, dry, glass centrifuge tube. 2. Place a piece of copper wire in a weighing paper, determine the mass of the wire and place it in the centrifuge tube. The copper wire should weigh less than 0.0200 grams. 3. In a fume hood, add seven drops of concentrated nitric acid to the reaction tube so that the copper metal dissolves completely. Describe your observations in the lab report. (Caution, Concentrated nitric...
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne"...
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne" and what tactics does Procipius use to describe Justinian in a positive light in the "Nika Riots"? Ive posted both excerpts. "Life of Charlemagne" Charles the Great, (Charlemagne in French) reigned 768-814 as king of the Franks and the most important ruler of the Carolingian Dynasty, conquering lands in what is now Germany, France, Spain, and Italy. On Christmas Day 800 C.E., Pope Leo...
Read the LDC Cloud Systems Case Study and answer the question below: THE EMAIL The email...
Read the LDC Cloud Systems Case Study and answer the question below: THE EMAIL The email had been sent from one mid-level accounting manager at headquarters to another about six months earlier. The message read: Bill, here are the accounting issues I mentioned, and as you know, some of these go back a ways. The data that supports these accounts are not always clear and keep changing, and we are not sure what the correct accounting treatment is for these...
Question -Organizational change goes beyond promotions and the threat of layoffs. What ways other than those...
Question -Organizational change goes beyond promotions and the threat of layoffs. What ways other than those discussed in the case would you use to entice people to embrace proposed changes? Provide several suggestions and justify their rationale. CASE STUDY- Blue Cross and Blue Shield, and Others: Understanding the Science behind Change Kevin Sparks has been trying to get his staff to change the way it monitors and supports the data center for the past year, but he hasn’t been getting...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT