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
lukranit [14]
3 years ago
12

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also fe

els warm to touch. How did the heat travel from the heated rod to the one that was not heated?
Chemistry
2 answers:
Genrish500 [490]3 years ago
8 0

Answer:

Electrons conducted heat

Explanation:

Iron is a metallic compound. One property of metallic compounds are that they have many loose electrons.

Consider the two rods to be a singular rod, since they touch:

An uncountable number of electrons at one end of the rod are heated, so they gain kinetic energy. Those electrons then collide with other electrons, which energize those as well (although less), which is equal to adding heat. This is a pattern that will flow all the way through the rod.

KatRina [158]3 years ago
8 0

Answer: Part of the heat was converted to radiation and traveled to the cooler rod.

Explanation:

You might be interested in
Methanol (methyl alcohol, CH₃OH), is a very important industrial chemical. Formerly, methanol was prepared by heating wood to hi
katrin [286]

Answer:

CO(g) + 2H₂(g) → CH₃OH(l)

Explanation:

Carbon monoxide has molecular formula CO, molecular hydrogen has formula H₂, and methanol is CH₃OH.

The reactants are CO and H₂ and the product CH₃OH:

CO(g) + H₂(g) → CH₃OH(l)

To balance the equation, the elements must have the same amount on each side. C and O are balanced, but there is 4H in the product and only 2 in the reactant, so we multiply H₂ for 2:

CO(g) + 2H₂(g) → CH₃OH(l)

And the equation is balanced.

4 0
3 years ago
Find the number of Grams
zaharov [31]

Answer: 462 g

Explanation:molar mass is M= 63.55 +2·(12.01+14.01)= 115.59 g/mol.

Mass m= n·M = 4.0 mol·115.59 g/mol= 462.36 g

8 0
3 years ago
2. What physical force causes suspensions to settle
MakcuM [25]

Hello!

Answer:

Gravity

Explanation:

It can settle down and separate over time due to gravity.

Hope this helps! Have a great day!

8 0
2 years ago
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal. M 3 O 4 ( s ) − ⇀ ↽ − 3 M ( s )
Citrus2011 [14]

Answer:

a) ΔGrxn = 6.7 kJ/mol

b) K = 0.066

c) PO2 = 0.16 atm

Explanation:

a) The reaction is:

M₂O₃ = 2M + 3/2O₂

The expression for Gibbs energy is:

ΔGrxn = ∑Gproducts - ∑Greactants

Where

M₂O₃ = -6.7 kJ/mol

M = 0

O₂ = 0

deltaG_{rxn} =((2*0)+(3/2*0))-(1*(-6.7))=6.7kJ/mol

b) To calculate the constant we have the following expression:

lnK=-\frac{deltaG_{rxn} }{RT}

Where

ΔGrxn = 6.7 kJ/mol = 6700 J/mol

T = 298 K

R = 8.314 J/mol K

lnK=-\frac{6700}{8.314*298} =-2.704\\K=0.066

c) The equilibrium pressure of O₂ over M is:

K=P_{O2} ^{3/2} \\P_{O2}=K^{2/3} =0.066^{2/3} =0.16atm

3 0
3 years ago
Explain what helps convert non-rich oxygen blood cells back to oxygen rich cells?
Reil [10]

Answer:

As blood travels through the body, oxygen is used up, and the blood becomes oxygen poor. Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.

Explanation:

3 0
3 years ago
Other questions:
  • A compound with the empirical formula, ch2, has a molar mass equal to 84.2 g/mol. what is the molecular formula for the compound
    15·1 answer
  • Definition for outcome variable
    7·1 answer
  • The volume of gas in a car's full gas tank
    14·2 answers
  • What is one way water moves through the non living parts of an ecosystem during the water cycle
    8·1 answer
  • .
    14·1 answer
  • What is the mass, in grams of a pure iron cube that has a volume of 4.20cm^3
    11·1 answer
  • Help please!!!!!!!!! :(
    6·2 answers
  • 11. Which of the following is a characteristic of all chemical changes? *
    6·1 answer
  • Four cups of pure water are added to a 20-cup bowl of punch that is 75% juice. What percentage of the new punch is juice? Origin
    11·1 answer
  • (a) Give one function each of the following equipments
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!