04/06/20

How much heat will be released if 2.55grams of Hydrogen Peroxide (H2O2) decomposes in a bombardier beetle to produce a steam spray?
2H2O2 ----> 2H2O + O2 ΔHrxn = -190.0 kJ.
Follows • 0
Expert Answers •1

04/06/20

Responsibilities or responsiblity
looking after the health of 700 children is heavy responsibility or responsibilities
Follows • 1
Expert Answers •2

04/05/20

Ions that are not involved in forming a new product during a chemical reaction and, as a result, do not appear in the net ionic equation are called what?
Follows • 1
Expert Answers •1

04/05/20

Which reactant, the copper wire or the silver nitrate is the reactant present in excess?

Follows • 0
Expert Answers •1

04/04/20

Potassium Hydroxide from Potassium sulfate
HelloHope you are fineI had reacted 2 pressures:Potassium Sulfate with Ca(OH)2Potassium Sulfate with NaOHI Mixed them with enough water in atmospheric situation then separate CaSO4 and NaSo4 with... more
Follows • 1
Expert Answers •1

04/01/20

What is the heat released if 5.0g of C3H8 reacts completely with oxygen?
C3H8+5O2->3CO2+4H2O+488kJ
Follows • 1
Expert Answers •1

03/30/20

Why is the second IE for Mg less than the second IE for Al
Follows • 1
Expert Answers •1

03/24/20

how do you write a balanced molecular equation for the reaction of aqueous ammonium chloride with aqueous sodium hydroxide?

Follows • 1
Expert Answers •1

03/18/20

What is the complementary sequence to the DNA strand for 5’-GCTGATCAG-3’
Follows • 1
Expert Answers •1

03/18/20

How many moles of CO 2 are emitted into the atmosphere when 14.6 g C 8 H 18 is burned?
I'm having a hard time trying to balance the question and solving it
Follows • 1
Expert Answers •1

03/14/20

Write the balanced equation for the rusting of iron in which iron reacts with oxygen to form iron(III) oxide. Phases are optional.

Write the balanced equation for the rusting of iron in which iron reacts with oxygen to form iron(III) oxide. Phases are optional.
Follows • 2
Expert Answers •2

02/15/20

Dimensional Analysis Problem Help
An iceberg has a volume of 2975 ft3. What is the mass of the iceberg in kilograms if the density of the ice is 0.917 g/cm3?
Follows • 1
Expert Answers •1

02/15/20

Describe cell respiration, and explain its process step by step.
Follows • 1
Expert Answers •1

02/13/20

The human forelimb and the whale forelimb are _homologous_ structures.
Follows • 1
Expert Answers •1

02/13/20

What percent of all African Americans in the United States in 1860 lived in the North
Follows • 1
Expert Answers •1

02/12/20

The sum of two numbers is -8 and the difference is 12 what are the numbers
Follows • 1
Expert Answers •2

02/11/20

The value of brand A is nothing billion and the value of brand B is nothing billion.
Follows • 1
Expert Answers •1

02/11/20

A baseball team played 25 games and won 10 of them. What percent of the games did they win?
ASAP i need it for my homework and im sooo confused
Follows • 3
Expert Answers •2

02/11/20

Fridah & glen has know each other for 15yrs.if we put their ages together today they both are 110yrs.when they first met fridah was 3 times as old as glen.how old is each of them today?
Set up an equation that describes the question and arrive at the correct answer by solving the equation.
Follows • 1
Expert Answers •2

02/11/20

Which is a part of interphase?

A. ProphaseB. G1 phaseC. CytokinesisD. Telophase
Follows • 2
Expert Answers •2

02/11/20

What is the mass of NaBr that will be produced from 40 moles of AgBr?
Follows • 2
Expert Answers •2

02/10/20

Who is considered the father of Psychology
Wilhelm Wundt. He noted psychology as a science apart from philosophy and biology, was the first person ever to call himself a psychologist . He is widely regarded as the 'father of experimental... more
Follows • 1
Expert Answers •1

02/10/20

The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many people there are in total.
Follows • 1
Expert Answers •1

02/10/20

What is meiosis
Follows • 1
Expert Answers •3

02/10/20

Chemistry Question

If 28 g of N2 is reacting with H2 to form NH3, what would be the mass of NH3 that will be formed?
Follows • 1
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.