How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at -25C and by the end of the expirement had 100 grams of steam and the rest liquid water?

121,271 results

chemistry

How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at -25C and by the end of the expirement had 100 grams of steam and the rest liquid water?

Chemistry II

How many grams of gasoline would you need to burn if you started with a 275 gram piece of ice that started at -25 OC and by the end of the experiment had 100 grams of steam and the rest liquid water?

math

Scientists are conducting an experiment with a gas in a sealed container. The mass of the gas is measured, and the scientists realize that the gas is leaking over time in a linear way. Six minutes since the experiment started, the gas had a mass of 144 grams. Fourteen minutes ...

English

plz help me on this 1. What was the rumor about how "The Great Fire started? a. It was started to burn the germs from the plague b. A careless vagrant started it c. The French started it d. It started with the burning of the dead bodies from the plague. d? 2. The irony about ...

Science

And ice cube Wayne 1 g is placed in our closed insulated container with 9 g of water at 20°C 68°F after 24 hours elapse the container will hold what (1) ten grams of water (2) one gram of ice and nine grams of water (3) five grams of ice and five grams of water (4) nine ...

Social studies

What conclusion can be made about the british policy of assimilation? That it started because of settlement. That it started because of respect toward different culture. That it started because of exploration. That it started because of ethnocentrism. (MY ANSWER)

English

1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home. ----------------------- Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we started for home. (Which...

English

1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home. ----------------------- Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we started for home. (Which...

Chemistry

I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...

Chemistry

I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...

English 12

I need help on an essay. I'm suppose to pick an author to write about and I chose Ernest Hemingway. I need help getting started. I need help on my thesis that way I can get started. Please Help and Thank you

math

a 12.0 gallon gasoline tank holds 66.0 pounds of gasoline. If this gasoline cost $3.50/gallon, what is the cost of 1 gram of gasoline.. I need help with just the set up part.. I don't know where to start.. help please

Chemistry

What mass of ice would you have to add to water to get the same change in temperature as if you add 7.55 grams of dry ice to water if they both started at the same temperature?

Chemistry

Radon-222 has a half-life of 3.8days. What gram of radio isotopes will remain after 11.4days if you started out with 16 grams of the sample?

Algebra

On the first day of the month, Jessica had $900 in her savings account and started spending $10 a week. Her friend Karina had $500 and started saving $15 a week. After how many weeks will the friends have the same amount?

Math

Ken started the day with some money in is pocket. After he took some money out of his bank account, he had $4 more than twice the amount he started with. He then received a birthday present which doubled the amount of money he had with him. Ken now had $100 in his pocket. How ...

English

1. In three minutes, he started to shout. 2. After three minutes, he started to shout. (Which preposition should we use? Which one is right?) 3. Three minutes later, he started to shout. 4. Some minutes later, he started to shout. 5. After a short time, he started to shout. 6...

one more

Im sorry i have one more a skier started a fire in the firplace. each log she put on burned for a half hour if she started with a supply of 10 logs for how many hours could the fire burn? how do i make that into a problem? never mind it is so obvious. Thanks everyone for ...

English

Instructions: Read the sentence. Select the correct answer. My answered are with capital letter Robin Hood …… stealing from the rich when the poor … help to survive. 1. HAD STARTED, NEEDED 2. had started , had needed 3. was starting, needed 4. had started, was needing II...

Chem

When a piece of Copper weighing 250 grams is placed in a cup with 450 ml of water at 21OC and the Cp of the cup is 47 J/K, how many grams of gasoline would it take to heat the system to 110OC?

Chemistry Octane Combustion

Write the balanced equation for the combustion of octane (C8H18). Assuming that gasoline is 100% octane, with a density of 0.692 g/mL, what mass of CO2 is produced by combustion of 1.7 1010 gal of gasoline? Need help on how to get started, I have the balanced equation...

probability

Mr. Spark has problems starting his two cars during the winter. He decided to record the number of times each car starts during a 30-day period. He recorded the following information. His Hyundai started 18 times. His Subaru started 20 times. Both cars started 40% of the time...

Physics

The specific heat capacity of ice is about 0.5 cal/g °C. Calculate the number of calories it would take to change a 4 gram ice cube at absolute zero (-273°C) to 4 gram of boiling water.

science

what would be the final amount of water in a mixture when 2kg ice at -20 degrees celsius is mixed with 5kg water at 20 degrees celsius? Given:specific heat capacity of ice=0.5/gram degree celsius,specific heat capacity of water=1cal/gram degree celsius,latent heat of fusion of...

Calculus

Ice is forming in a pond at a rate given by dy/dx=ksqrt(t), where y is the thickness of the ice in cm at time t measured in hours since the ice started forming, and k is a positive constant. Find y as a function of t.

statistics

According to the Smart magazine, 70% of smokers started smoking before the age of 18. Suppose 10 smokers are randomly selected and the number of smokers who started to smoke before the age of 18 is recorded. a) explain why this is binomial experiment. b) find the probability ...

Chemistry

What would likely happen if you were to touch a metallic beaker in which an endothermic reaction were occurring? The beaker would probably feel cooler than before the reaction started. The beaker would probably feel warmer than before the reaction started.*** The beaker would ...

Business Math

Joanne Flynn bought a new boat for $16,200. She put a $2,800 down payment on it. The bank’s loan was for 50 months. Finance charges totaled $5,380.00. Assume Joanne decided to pay off the loan at the end of the 22th month. (Rule of 78) What rebate would she be entitled to ...

Business Math

Joanne Flynn bought a new boat for $16,200. She put a $2,800 down payment on it. The bank’s loan was for 50 months. Finance charges totaled $5,380.00. Assume Joanne decided to pay off the loan at the end of the 22th month. (Rule of 78) What rebate would she be entitled to ...

math

margarit liked to balance things. she balanced 3 pencil sharpeners and 2 one gram blocks with a 100 gram weight and another one gram block. she let x stand for the weight of one pencil sharpener and she claimed that x=30grams. was she correct if not how much died each pencil ...

English

1. A few minutes later, the dog started to have a stomachache and we had to take him to the hospital. 2. A few minutes later, the dog started to groan lying on the floor, so we had to take him to the hospital. 3. A few minutes later, the dog began to make a strange sound ...

precalculus

If you are driving down a 10% grade, you will alway be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does he "grade" relate to and how far...

Chemistry

Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that the enthalpy of combustion of ethanol is -1367 kj/mole and that the aveage energy released by one gram of gasoline is 43 kj: ) Calculae the heat ...

Literature

i need help writing two paragraphs comparing Hurston's autobiography and Benjamin Franklin's Autobiography. i have to compare the narrator's actions and motives i haven't started on this yet, please help me get started with some information. thankyou:)

pre calculus

If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the “grade” relate to, and ...

math

how much cesium-137 would remain after 120.0 years if you started with 34.0 grams

Physics

Assume the optimal coffee drinking temperature is 75°C, and further assume coffee has the same heat capacity and density as water. a. How much energy is required to raise the temperature of 1 cup (0.237 liters) of coffee initially at 25°C to the optimal temperature? b. How ...

5th grade math word problems

bob started each work on the hour. one day he decided to start work twenty minutes early. he started work when his digital watch had consecutive numbers. what time did he start work

conseptual physics

if you hold one end of a metal nail against a piece of ice, the end in your hand soon becomes cold. does cold flow from the ice to your and? why?

chemistry

Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the information from that, calculate the mass of oxygen gas that would be needed to burn 100 grams of hydrogen gas.

chemistry

Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the information from that, calculate the mass of oxygen gas that would be needed to burn 100 grams of hydrogen gas.

algebra

trying to solve a point a slope word problem. you are scheduled to start your job at an oil change shop 2 hours after shop opens. two hours after you start, a total of 11 cars have had their oil changed. three hours later, a total of 14 cars have had their oil changed. At what...

chemistry

The specific heat of ice is 0.5 calories/gram. 60 grams of ice will require _____ calories to raise the temperature 1°C. so i just do 0.5/60 ??

AP Chemistry

A 2.5 gram sample of a hydrocarbon containing C, H, N, O is combusted in excess oxygen. The nitrogen compounds that are formed are treated to convert all of N to N2. The gases are passed through a CaCl2 drying tube which weighs 1.00 gram initially and 3.16 grams after the ...

physics

A piece of ice its mass is 2.5 kg and at 0.0 C temperature , it is crawling on the ground with 5.7 m/s , what is the mass of the melted ice , if we know all of the kinetic energy of the ice turn into the internal energy (of the ice ) , that we need 3.3 X 10^5 J to melt 1.0 kg ...

chemistry

A particular brand of gasoline has a density of 0.737 g/mL at 25 Celcius. How many grams of this gasoline would fill a 12.9 gal tank?

chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?

chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?

Chemistry

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.1gal tank?

Chemistry

Jack drives 6.45 km to work and his car gets about 0.0147 km per gram of gasoline. Using the balanced chemical equation (you need to find out this equation by yourself), how many grams of CO2 is produced in this trip to work

chemisty

get a piece of ice, rub it on your arm until it melts. Do you feel the heat leaving your body to melt the ice? how much heat was required to melt one gram of a sample ice and warm it to the body temperature of 37 degress celcius? Heat= Heatfusion*massice + masswater*c*deltaTemp

Math

I don't think I am understanding this question. Question: A zoo started with 16 cranes and panned to hatch 20 chicks. A few birds were kept for breeding and the rest realeased into the wild. At the end of last year, a total of 136 cranes had spent some time in the zoo. If the ...

Physical Chemistry

If a 30g piece of ice at -5C is immersed in 125mL of water at 25C in an insulated container... A. Determine the final temperature and final composition of the system B. Determine the entropy changes of the ice and the water and the overall entropy change of this process.

Chemistry

had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a pure solvent, sodium chloride, sucrose, and ethylene glycol. We had to work with a partner so I completed the experiment for water, NaCl, and the ...

World History

What is trial by ordeal? How did it get started? Why did it get started

chemistry

I need help getting this started. I made it through organic and this one stumps me, go figure :) How many grams fo NaCl are needed to make 100mL of a 0.10M solution?

Creative

the level of excitement was getting higher and higher as the day went on. it was just us 4 kids at home waiting anxiously for some news of the baby the day seemed to stretch on forever, ... because there was nothing to do but wait suddenly negative feelings started coming in ...

science

why is a burn from steam potentially more serios than a burn from very hot water? Water at boiling temperature has a specific heat of 1 calorie per gram. Steam, however, at the same temperature, has a heat of vaporization of 540 calories/gram. Thefore, steam condenses and ...

Chemistry

Sucrose hydrolyzes into glucose and fructose. The hydrolysis is a first order reaction. the half life for the hydrolysis of sucrose is 64.2min at 25C. How many grams fo sucrose in 1.25L of a 0.389M solution are hydrolyzed in 1.73hrs? I started off by finding k the constant t1/...

chemistry

Sucrose is commonly known as table sugar. The formula is C12H22O11. You burn 7.29 grams of sucrose in a bomb calorimeter. The temperature of the calorimeter and the water in it rises from 23.24 degrees celsius to 29.77 degrees celsius. The bomb's heat capacity had been ...

English

1. With night coming on, we started for home. 2. Because night came on, we started for home. 3. Night came on, and we started for home. -------------------------- Q1: Does #1 mean #2 or #3? Q2: What is the meaning of 'com on'? What are similar words in mening?

chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank? I converted 15.4 gal to 58273.6 ml what do i do next?

chemistry

if you started with 2.154g of aluminum, how many grams of aluminum oxide would you get?

math

booby cut a piece of wood into 3 pieces of the same length. after he cuts off 2 feet from one of the pieces, he is left with piece that is 5 feet long. what is the length of the piece of wood he started with?

Chemistry

Hydrogen sulfide is an impurity in natural gas that must be removed. One common removal method is called the Claus process, which relies on the reaction: 8 H2S(g) + 4 O2(g)--> S(l) + 8 H2O(g) Under optimal conditions the Claus process gives 98% yield of S8 from H2S. If you ...

math

from one piece of walnut, sam cut two 9 1/2 in. strips for 2 sides of a frame. he cut two 11 3/4 in. strips each for the other 2 sides. sam had 5 1/2 in. of walnut left. how long was the piece of walnut when he started?

math

from one piece of wood , Sam cut two 9 1/2 in. strips for 2 sides of a frame. He cut two 11 3/4 in . strips each for the other 2 sides Sam had 5 1/2 in.of wood left. How long was the piece of wood when he started ?

biology

Would you expect the fraction of bacteria that are spontaneous rifampin resistant mutants to be higher or lower in a culture that: you had propagated many times or one you had just started from a single colony of sensitive bacteria? Why?

econ

When Joe started his job at the laundromat 5 years ago, his wage was $4.50 an hour. Today his wage is $6.50 an hour. If Joe started his job in the base year, and his real wage is the same as when he started, what is the Consumer Price Index today?

Eco

When Joe started his job at the laundromat 5 years ago, his wage was $5.50 an hour. Today his wage is $8.50 an hour. If Joe started his job in the base year, and his real wage is the same as when he started, what is the Consumer Price Index today?

math please help

Suppose that ice cream consumption per person at parties is normally distributed with a mean of 0.39 gallons, and a standard deviation of 0.26 gallons. If you are throwing a party with 33 guests, how much ice cream do you need to buy to make sure that the probability of having...

Earth Science

If you started with 100 grams of Potassium-40 how much would reamin Potassium-40 after 3.9 x 10 to the 9th years?

English

In class, my teacher gives a simple sentence and we have to make up a paragraph or less to describe that simple sentence without saying the word "temper" in it. The sentence is "He had a temper" So I started mine off with this Isaac came home and was furious when he lost the ...

algebra

joshua had 5/6 of a tank of gas when he started his trip. if he used 1/10 of what was there what part of a tank was left at the end of the trip?

English

Write two compositions. To help you get started, you can choose to write about any two of the following four topics: -a job report. -your most unforgettable character. -an analysis of the causes for some phenomenon or event. -the consequences of a new discovery or event. I ...

Chemistry

I had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a pure solvent, sodium chloride, sucrose, and ethylene glycol. We had to work with a partner so I completed the experiment for water, NaCl, and the ...

english

How can I write a 8-12 paragraph essay describing the duties of a woman assisting her boss in a company doing everyday activities.I am having trouble gettig started. This is ficticious for a class I am taking. HELP!!!!!Can you get me started?

Statistics

I just need to know what formula I need to use to get started on this equation: A man that was shot out of a cannon and the mean is 140 feet, stand. dev. is 10, landing net is 28 feet long. To maximize the peron's probability of landing on the net, how far away from the cannon...

chem

If one started will 7.72g of copper (11) chloride, how many gram of copper could be produced ?

chemistry

Combustion analysis of 1.00g of the male sex hormone, testosterone, yields 2.90 g of CO2 and .875 g H2O. What are the mass percents of carbon, hydrogen, and oxygen in testosterone? How do I solve this? How many grams of C is in 2.90g of CO2? That is the same mass of C in the 1...

English

1. The girl in the classroom started to sing a song. 2. A girl in the classroom started to sing a song. --------------------------------------- Are both okay? What about the explanation. 1. The specific girl that we mentioned before or we know already started to sing. There ...

chemistry

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 13.2 gal tank (1US gal=3.78L)?

chem1151

If 2.68 grams of Copper was recovered and you started with 8.94 grams of Copper(II)chloride,then what is the percent yield of the reaction?

Maths:distance covered urgently need help

A car travelling at 60km/hr started a journey travelling in an oppsite direction to his destination.After travelling for 35min the driver realised his mistake he then turn the car back around and started travelling in the correct direction.how far away is he from his starting ...

POS110

explain the concept of "a belief in equal rights has often led to the belief in equality of opportunity" - I am not wanting the answer, just help in HOW to answer this question. I have been out of school for a LONG time and just started taking classes. LOL. Just need a little ...

statistic

In order to attract customers, an ice cream company has started a STAR game. Any person who collects four stars gets a free family size bucket of ice cream. Suppose that the probability of an ice cream pack contains a star is 0.3 (an ice cream pack cannot contain more than one...

Chemistry

Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0 grams. Assume that the molecular formula for gasoline is C6H6

Chemistry

Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0 grams. Assume that the molecular formula for gasoline is C6H6

Chem

When 1.0 grams of gasoline burns, 11500 calories of heat energy are given off. If the density of gasoline is 0.66 g/ml , how many kilocalories of energy are obtained from 1.5 gallons of gasoline?

English

1. The other robber forced me back to the safe. (What is the part of speech of 'back' in the sentence?) 2. He was carring the glass necklace and started down the stairs. 3. He was carring the glass necklace and started coming down the stairs. 4. He was carring the glass ...

Grade 11 maths plz help!!!

A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a steady rate. Which equation models the relationship between the number of employees n and the number of months m since the company started? a.) n = 5/...

History

Which most accurately describes the rise of the Arab Empire? the Arab empire started in Egypt and soon conquered lands to the southwest, including Sudan, Ethiopia, and Somalia the Arab empire started in Arabia and soon conquered Syria, Persia northwestern India, northern ...

Math

Bernadette cuts a piece of fabric into four pieces of the same length. After she cuts off 3 feet from one of the pieces, she is left with a piece that is 2 feet long. What is the length of the piece of a fabric she started with?

English

1. My grandma started to write history books at age 76. 2. My grandma started to write history books at the age of 76. 3. My grandma started to write history books at aged 76. 4. My grandma started to write history books when she was 76 years old. 5. My grandma started to ...

Language art 4th grade

What is the best way to combine sentences 7 and 8? (7)We got a few dog snacks from Jenny's dad. (8) we started giving snacks to the dog. Answer choices:- a. We got a few dog snacks from Jenny's dad and then we started giving snacks to the dog. b. We got a few dog snacks from ...

Math

A Canadian zoo started with 16 whooping cranes and planned to hatch 20 chicks a year. A few birds were kept for breeding and the rest released into the wild. At the end of last year, a total of 136 cranes had spent some time in the zoo. If the pattern continues, how many ...

English

I urgently need to know if the following sentence is possible: 1) Robinson told the captain his story on how he had been made a slave. 2) The waves started crashing onto the ships.

Physics (3)

An explosion in a rigid pipe shoots out three pieces. A 6 g piece comes out the right end. A 4 g piece comes out the left end with twice the speed of the 6 g piece. From which end does the third piece emerge? A. B. C Right end Left end Not enough information to answer this ...

I NEED HELP :(

Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone deposits $15 in Account A and $10 in Account B each month. In how many months will the accounts have the same balance? What will that balance be?

English

1. When he was in the living room, he started to watch TV. 2. Being in the living room, he started to watch TV. 3. In the living room, he started to watch TV. (Are the three sentences the same? Can we use that way? If we delete 'Being,' we can get #3. Does #2 mean #3?)

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