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
Levart [38]
3 years ago
14

If a proton has an uncertainty in its velocity of 5.00 * 10 4 m/s, what is

Chemistry
1 answer:
Rzqust [24]3 years ago
7 0

pls give me a good rate cus i have no idea

You might be interested in
Is this balanced ?2 Fe(NO3)3 + 3 MgSO4 → 3 Mg(NO3)2 + 2 Fez(SO4)3
Alex

it shoudl be : 2Fe(NO3)3 + 3MgSO4 → 3Mg(NO3)2 + Fe2(SO4)3

(the difference is Fe2(SO4)3 has no coefficient)

8 0
3 years ago
In a room full of air, the air is mainly composed of Nitrogen and Oxygen molecules (both at room temperature). Find (to two sign
zloy xaker [14]

Explanation:

Expression for the v_{rms} speed is as follows.

            v_{rms} = \sqrt{\frac{3kT}{M}}

where,   v_{rms} = root mean square speed

                     k = Boltzmann constant

                    T = temperature

                    M = molecular mass

As the molecular weight of oxygen is 0.031 kg/mol and R = 8.314 J/mol K. Hence, we will calculate the value of v_{rms} as follows.

               v_{rms} = \sqrt{\frac{3kT}{M}}

                            = \sqrt{\frac{3 \times 8.314 J/mol K \times 309.02 K}{0.031 kg/mol}}

                            = 498.5 m/s

Hence, v_{rms} for oxygen atom is 498.5 m/s.

For nitrogen atom, the molecular weight is 0.028 kg/mol. Hence, we will calculate its v_{rms} speed as follows.

                v_{rms} = \sqrt{\frac{3kT}{M}}

                              = \sqrt{\frac{3 \times 8.314 J/mol K \times 309.92 K}{0.028 kg/mol}}

                              = 524.5 m/s

Therefore, v_{rms} speed for nitrogen is 524.5 m/s.

3 0
3 years ago
How many grams are in 4.5 x 10^22 molecules of water? please show dimensional analysis
GaryK [48]

Answer:

1.1grams

Explanation:

Find moles of water:

4.5x10^22/(6.02x10^23)=0.07mol

Find molar mass of the water

O=16.00g/mol

0.07x 16.00=1.1 grams

4 0
3 years ago
If the mass is 100g and the density is 0.8g/ml what is the volume
borishaifa [10]
volume is mass divide by density
100/0.8= 125mL
6 0
3 years ago
What type of reaction is  Zn + 2HCl > ZnCl2 + H2
Dmitry [639]
 this is the answer is 


Zn<span> + </span>HCl<span> = </span>ZnCl2<span> + </span>H2 <span> </span>
3 0
4 years ago
Read 2 more answers
Other questions:
  • A chemist prepares a solution of iron(II) bromide FeBr2 by measuring out 0.55kg of iron(II) bromide into a 500.mL volumetric fla
    14·1 answer
  • What is the body’s main processing system? It uses input from various parts to control voluntary and involutiontary movement. It
    9·1 answer
  • How many carbon atoms are in four molecules of glucose, or 4c6h12o6?
    5·2 answers
  • On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29 % for 69Ga and 39.71 % for 71Ga. What
    15·1 answer
  • If the ph of a solution is 9 then its pOH will be
    11·1 answer
  • Why does the pressure inside a container of gas increase if more gas is added into the container?
    14·1 answer
  • What is the wavelength of a photon with an energy of 3.26 x 10-19 J?
    7·1 answer
  • What is the standard cell potential for a voltaic cell using the Pb2 /Pb and Mg2 /Mg half-reactions and which metal is the catho
    15·1 answer
  • 25.Which of the following reaction will not take place?
    12·1 answer
  • A sample of nitrogen gas in a 750.0 mL sealed flask exerts a pressure of 206.58 kPa. Calculate the temperature of the gas if the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!