subject

Chemistry, 16.04.2020 19:46 hopkinsgail5516

100 points! Please help me understand how to do this :)

Determine the amount of heat needed to raise the temperature of 20.0 g of ice at 0 degrees Celsius to water at 80 degrees Celsius.

Find the amount of heat lost by 85 g of water at 95 degrees Celsius to ice at -35 degrees Celsius.

How much heat is needed to raise the temperature of 50.0 g of ice at -10 degrees Celsius to form steam at 120 degrees Celsius?

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 00:00

Lewis structure and molecular geometry for nh2cl

Answers: 1

question

Chemistry, 22.06.2019 10:10

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Answers: 2

question

Chemistry, 22.06.2019 19:00

What information does a complete ionic equation give that the balanced equation doesn’t show?

Answers: 1

question

Chemistry, 22.06.2019 21:00

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

Answers: 1

You know the right answer?

100 points! Please help me understand how to do this :)

Determine the amount of heat nee...

Questions

question

Business, 12.02.2020 03:58

Accounts receivable had a debit balance of $4,000 at the beginning of the period, and a debit balance of $6,000 at the end of the period. Based on thi...

question

Mathematics, 12.02.2020 03:58

There are two jars with marbles. The first jar contain 3 red, 4 green, and 5 blue marbles the second jar contains 4 red, 2 green, and 6 blue marbles....

question

Biology, 12.02.2020 03:58

Glutamic acid (Glu) and valine (Val) are two amino acids with different molecular structures. (Glutamic acid is a strongly hydrophilic molecule, and v...

question

Physics, 12.02.2020 03:58

After days and days of work, a group of graduate students has finally measured the wavelengths of hundreds of lines in the spectrum of a distant star....

question

Mathematics, 12.02.2020 03:58

You wish to determine the GPA of students at your school. Describe what process you would go through to collect a sample if you use a simple random sa...

question

Mathematics, 12.02.2020 03:58

59:: Jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest whole...

question

Business, 12.02.2020 03:58

What term perfectly describes the a slowdown in the rate of increase in the consumer price index?...

question

Mathematics, 12.02.2020 03:58

Use the fundamental identities and appropriate algebraic operations to simplify the following expression. left parenthesis 7 plus tangent x righ...

question

Mathematics, 12.02.2020 03:58

Advice columnist Ann Landers once asked her readers with children to answer the following question: "If you had it to do over again, would you have ch...

question

Biology, 12.02.2020 03:58

Sympatric speciation: only occurs in bacteria. occurs whenever a physical barrier between two species is removed (i. e., a river dri...

question

Business, 12.02.2020 03:58

During the accounting period, office supplies were purchased on account for $ 3 comma 000. A physical count, on the last day of the accounting period,...

question

Social Studies, 12.02.2020 03:58

"Zach is using psychological principles and research methods to determine methods for athletes to reach their peak performance, while Anna is utilizin...

question

Mathematics, 12.02.2020 03:58

A study wanted to compare the 50 states food expenditures. The researchers measured the amount spent by the state's entire population for food in groc...

question

Chemistry, 12.02.2020 03:58

The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 2.001 g sample of BHT was combusted in an...

question

Business, 12.02.2020 03:58

Each hour from 10am to 7pm, Zeith Bank receives checks and must process them. Its goal is to process all the checks the same day they are received. Th...

question

History, 12.02.2020 03:58

De que forma os dispostos esclarecidos conseguiram implantar medidas modernizadoras em seus estados sem abrir mão do absolutismo...

question

Chemistry, 12.02.2020 03:58

Two beakers are placed in a closed container. Beaker A initially contains 0.15 mole of naphthalene (C10H8) in 100 g of benzene (C6H6), and beaker B in...

question

Chemistry, 12.02.2020 03:58

The purpose of the recrystallization step is to aid in the removal of impurities in the crude product. What are the likely identities of these impurit...

question

Computers and Technology, 12.02.2020 03:58

A Haunted House attraction only open during the month of October. The attraction typically has a long line. They have trained specific employees to dr...

question

Business, 12.02.2020 03:58

Accumulated other comprehensive income is presented in the financial statements:. a) on the balance sheet as part of stockholders' equity.

More questions: Chemistry Another questions

Questions on the website: 13722367