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
mafiozo [28]
3 years ago
11

A gas has a volume of 350 ml at 45oC. If the volume changes to 400. ml, what is the new temperature in oC

Chemistry
2 answers:
MArishka [77]3 years ago
8 0

Answer:

28°C

Explanation:

Sati [7]3 years ago
6 0

Answer:

It should be 28 degrees C

Explanation:

You might be interested in
. A bright violet line occurs at 435.8 nm in the emission spectrum of mercury vapor. What amount of energy, in joules, must be r
Tom [10]

Answer :  The energy released by an electron in a mercury atom to produce a photon of this light must be, 4.56\times 10^{-19}J

Explanation : Given,

Wavelength = 435.8nm=435.8\times 10^{-9}m

conversion used : 1nm=10^{-9}m

Formula used :

E=h\times \nu

As, \nu=\frac{c}{\lambda}

So, E=h\times \frac{c}{\lambda}

where,

\nu = frequency

h = Planck's constant = 6.626\times 10^{-34}Js

\lambda = wavelength = 435.8\times 10^{-9}m

c = speed of light = 3\times 10^8m/s

Now put all the given values in the above formula, we get:

E=(6.626\times 10^{-34}Js)\times \frac{(3\times 10^{8}m/s)}{(435.8\times 10^{-9}m)}

E=4.56\times 10^{-19}J

Therefore, the energy released by an electron in a mercury atom to produce a photon of this light must be, 4.56\times 10^{-19}J

3 0
4 years ago
Which of the following properties can be
Aleonysh [2.5K]

Answer:

Ability to conduct electricity

Melting point

4 0
3 years ago
3. A gram food sample is burned completely in a calorimeter that contains 1000. of water The temperature of the water increases
lidiya [134]

The food has 23629.64 cal

<h3>Further explanation</h3>

Given

mass = 1000 g of water

temperature increases 23.65 * C

Required

The energy of the food

Solution

Heat absorbed by water :

Q = m . c . Δt

Q = 1000 g x 4.184 J/g°C x 23.65 °C

Q = 98951.6 J

1 Joules = 0.2388 Calories

98951.6 J = 23629.64 cal

3 0
3 years ago
If the pOH of vinegar is 9.45 what is it’s [OH-]
kvv77 [185]

Answer:

3.55. 10

Explanation:

8 0
3 years ago
MULTIPLE CHOICE QUESTION
7nadin3 [17]

Answer:

Shorter

Explanation:

As a wavelength increases in size, its frequency, and energy (E) decrease. From these equations, you may realize that as the frequency increases, the wavelength gets shorter. As the frequency decreases, the wavelength gets longer. There are two basic types of waves: mechanical and electromagnetic.

7 0
3 years ago
Other questions:
  • The number of positively charged protons in an atoms nucleus​
    14·1 answer
  • What is the relationship between potential energy and speed
    15·1 answer
  • What type of rock commonly often contains gas bubbles and the mineral(s) hornblende, muscovite, olivine, lucite, and/or plagiocl
    15·1 answer
  • How much Cu2S is needed to make 255.0 g Cu?
    9·1 answer
  • Explain (in words) why Li produces spectral lines and why it appears pink in the firework?
    6·1 answer
  • Which of the following is a property of an ionic compound?
    8·1 answer
  • When copper metal is added to silver nitrate in solution, silver metal &amp; copper (ii) nitrate are produced. What mass of silv
    11·1 answer
  • when a log of wood burns, it undergoes a _______. a. physical change. b. chemical change. c. physical and a chemical change. d.
    15·2 answers
  • ................ is the organic molecule that is the main energy source for cell processes and is made with the energy released
    14·2 answers
  • What is the core of the earth made of?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!