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
just olya [345]
3 years ago
8

Why does a hot water bottle feel warm? Options: Molecules in the hot water bottle are moving faster than molecules in the skin.

Molecules in the skin are moving faster than molecules in the hot water bottle.
Chemistry
2 answers:
marissa [1.9K]3 years ago
7 0

Answer:

Molecules in the hot water bottle are moving faster than the molecules of the skin.

Explanation:

When an object is heated, the molecules of that object move much faster than the room temperature object or a cold object. When the molecules move faster, the friction causes heat.

vova2212 [387]3 years ago
5 0

Answer:

the answer is none of the above the answer is that if w should pour the hot water in a bottle the heat will make molecules combine together that is what brought about heat

You might be interested in
Consider the above reaction. If some CO2 were removed from the container, what would the reaction do in an attempt to replace th
faltersainse [42]

Answer:

See explanation

Explanation:

The reaction to be considered is shown below;

H2CO3<------->CO2 + H2O

We know  that when a constraint such as a sudden change in concentration, pressure or temperature is imposed on  a reaction system in equilibrium, the system has to adjust itself by shifting in a particular direction in order to cancel the constraint.

Now, if we remove CO2, the equilibrium position must shift to the right by the decomposition of more H2CO3 to establish equilibrium again.

4 0
3 years ago
In what element will metallic bonding occur?
Hatshy [7]
D




A- Harvard university professor
6 0
3 years ago
Consider the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g). If 0.02 moles of PCl5, 0.04 moles of PCl3, and 0.08 moles of Cl2 are combined
Furkat [3]

Answer:

The reaction quotient (Q) before the reaction is 0.32

Explanation:

Being the reaction:

aA + bB ⇔ cC + dD

Q=\frac{[C]^{c} *[D]^{d} }{[A]^{a}*[B]^{b}  }

where Q is the so-called reaction quotient and the concentrations expressed in it are not those of the equilibrium but those of the different reagents and products at a certain instant of the reaction.

The concentration will be calculated by:

Concentration=\frac{number of moles of solute}{Volume}

You know  the reaction:

PCl₅ (g) ⇌ PCl₃(g) + Cl₂(g).

So:

Q=\frac{[PCl_{3} ] *[Cl_{2} ] }{[PCl_{5} ]}

The concentrations are:

  • [PCl₃]=\frac{0.04 moles}{0.5 L} =0.08 \frac{moles}{L}
  • [Cl₂]=\frac{0.08 moles}{0.5 L} =0.16 \frac{moles}{L}
  • [PCl₅]=\frac{0.02 moles}{0.5 L} =0.04 \frac{moles}{L}

Replacing:

Q=\frac{0.08*0.16}{0.04}

Solving:

Q= 0.32

<u><em>The reaction quotient (Q) before the reaction is 0.32</em></u>

4 0
3 years ago
I don't quite understand it
irina1246 [14]
So, you need to have same ammount of atoms on the left and on the right side of the equation. You need to count the ammount of attoms of every substance on the left, and make sure that on the right side the ammount is same. For example in the 1st one it’s 6Sn+2P4=2Sn3P4, so that you have 6atoms of Sn on the left and 6 atoms of Sn on the right, same with the P
6 0
3 years ago
How many kilocalories are needed to vaporize 5.8 mol of Br2
Valentin [98]
<span>The vaporization of br2 from liquid to gas state requires 7.4 k/cal /mol.</span>
8 0
3 years ago
Other questions:
  • How is a lithium atom (Li) different from a lithium ion (Li+)?
    9·2 answers
  • The half-life of 131I is 8.021 days.What fraction of a sample of 131I remains after 24.063 days
    5·1 answer
  • Which trait will an organism that receives one dominant gene and one recessive gene most
    8·2 answers
  • Wait what's the answer? What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C?
    14·1 answer
  • The water for the pan is not saturated with co2. will the reported percent caco3 in the original sample be too high, too low, or
    14·1 answer
  • 1. How many moles are contained in 103.4g of sulfuric acid?
    8·1 answer
  • Is this true or false? :D
    8·2 answers
  • Which formulas represent ionic compounds and which represent covalent compounds?
    15·1 answer
  • What would sunscreen look like if it absorbed all of the visible light that hit it?
    6·1 answer
  • Doraemon part of the water cycle heat from the Sun causes liquid to change into water vapor Which Resident to the atmosphere whi
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!