1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bond [772]
2 years ago
7

A block of chocolate is melting on a hot pan. What type of heat transfer is this? Describe the way heat is transferred between t

he hot pan and the chocolate.
[This is an example of ____________. The pan is (warmer/cooler) than the chocolate, that means the molecules in the pan____________.]
Chemistry
1 answer:
klio [65]2 years ago
8 0

Answer:liquid= _________   than the next ________ is heat

Explanation:

You might be interested in
In ionic bonds the atom that contributes an electron and has a positive charge as a result is called the . The atom in ionic bon
Sidana [21]

Answer:

a. Cation

b. Anion

Explanation:

4 0
3 years ago
A rigid cylinder with a movable piston contains a sample of hydrogen gas. At 330. K, this sample has a pressure of 150. kPa and
Marta_Voda [28]

Answer:

V₂ = 4.34 L

Explanation:

According to general gas equation:

P₁V₁/T₁ = P₂V₂/T₂

Given data:

Initial volume = 3.50 L

Initial pressure = 150 Kpa (150/101.325 = 1.5 atm)

Initial temperature = 330 K

Final temperature = 273 K

Final volume = ?

Final pressure = 1 atm

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

Solution:

V₂ = P₁V₁ T₂/ T₁ P₂

V₂ =  1.5 atm ×  3.50 L × 273 K / 330 K × 1 atm

V₂ = 1433.3 atm .L. K / 330 k.atm

V₂ = 4.34 L

4 0
3 years ago
The plunger on a bicycle pump with a 400 mL volume cylinder is
Kobotan [32]

Answer:

The answer to your question is V2 = 66.7 ml

Explanation:

Data

Volume 1 = V1 = 400 ml

Pressure 1 = P1 = 1 atm

Volume 2 = V2 = ?

Pressure 2 = P2 = 6 atm

Process

1.- To solve this problem use Boyle's law

                     P1V1 = P2V2

-solve for V2

                     V2 = P1V1 / P2

-Substitution

                      V2 = (1)(400) / 6

-Simplification

                      V2 = 400 / 6

-Result

                      V2 = 66.7 ml

4 0
3 years ago
What property of argon is uses in light bulbs?
otez555 [7]
<span>The filament of the light bulb will get very hot. This will encourage a chemical reaction with most gases that are surrounding that filament - and the result is that the filament burns out. If the filament is in air, it combines with the carbon of carbon dioxide in the air, and the filament disintegrates. But argon is an inert gas - almost nothing reacts with it. So the filament takes a very long time (theoretically infinity) to burn out. But the bulb cannot contain 100% argon: 99.9% is typical; the remaining 0.1% being air. The bulb manufacturers can control the 'life' of a bulb, based on that principle: they do not want their bulbs to last forever!</span>
8 0
3 years ago
Read 2 more answers
If we know this is a second-order reaction, what is the rate law?
Pavel [41]

Answer:

The rate is a mathematical relationship obtained by comparing reaction rate with reactant concentrations.

6 0
3 years ago
Other questions:
  • What are water droplets at least 0.5 millimeters in diameter?
    7·1 answer
  • Is the following a properly written thermochemical equation? 2C8H18 + 25O2 → 16CO2 + 18H2O, ΔH = –5,471 kJ/mol
    14·1 answer
  • Why does an object in motion stay in motion unless acted on by an unbalanced force? A) because forces are what stop and start mo
    11·1 answer
  • In a basic solution
    13·1 answer
  • The amount of gas that occupies 36.52 L at 68.0 degrees Celsius and 672 mm Hg is ___ Mol.
    15·1 answer
  • 2) A wooden block has a volume of 176 cm3 and a density of 18.2 g/ cm3. What is the mass?
    6·1 answer
  • I am doing an experiment that calls for 200g of H2SO4. How many moles of H2SO4 is this?
    10·1 answer
  • Iodine-131 has a half-life of 8 days. How long would it take for the number of unstable nuclei in the sample to be reduced from
    7·1 answer
  • There are 1.00 mol each of H2 and I2 in a 2.00 L flask. The Kc for this reaction is 55.3. Determine the equilibrium concentratio
    6·2 answers
  • 7. Draw the structures for the following hydrocarbons.HydrocarbonCyclohexane(C6H12)Cyclohexene(C6H10)StructureHydrocarbonBenzene
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!