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GenaCL600 [577]
3 years ago
8

What is true about protons within an atom?

Chemistry
1 answer:
Ira Lisetskai [31]3 years ago
4 0
It defines the element. If you change the protons, you change the type of element. A proton is positively charged and is most of the mass of the atom, next to the neutron. Neutrons have a very very very slightly higher mass.
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The Nernst equation at 20oC is:
saw5 [17]

Answer:

a. -58 millivolts

Explanation:

The given Nernst equation is:

E_{ion} = 58 millivolts /z \Big[ log_{10} \Big( \dfrac{[ion]_{out}}{[ion]_{in}}\Big) \Big]}

The equilibrium potential given by the Nernst equation can be determined by using the formula:

E_{Cl^-} = \dfrac{2.303*R*T}{ZF} \times log \dfrac{[Cl^-]_{out}} {[Cl^-]_{in}}

where:

gas constant(R) = 8.314 J/K/mol

Temperature (T) = (20+273)K

= 298K

Faraday constant F = 96485 C/mol

Number of electron on Cl = -1

E_{Cl^-} = \dfrac{2.303*8.314*298} {(-1)*(96845)} \times log \dfrac{100} {10}

E_{Cl^-} = - 0.05814  \ volts

\mathsf{E_{Cl^-} = - 0.05814  \times 1000 \  milli volts}

\mathsf{E_{Cl^-} \simeq - 58\   milli volts}

5 0
3 years ago
Question 1 of 10
vovikov84 [41]

Answer:b

Explanation:

I just answered it on apex

7 0
3 years ago
What are hydroxyl groups and what happens to them when molecules combine?
Sloan [31]
Hi! Chemistry is complicated, right?

A hydroxyl group is a group that consists of
oxygen and hydrogen bonds. When they combine, ethanol may be released.

I hope I helped!
5 0
3 years ago
How many grams are in 0.5 moles of C10H16?<br><br>Please show your work for marked brainliest!​
vagabundo [1.1K]

Answer:

68 g

Explanation:

Molar mass (C10H16) = 10*12.0 g/mol + 16*1.0 g/mol = (120+16)g/mol =

= 136 g/mol

m (C10H16) = n(C10H16)*M(C10H16) = 0.5 mol*136 g/mol = 68 g

n(C10H16) - number of moles of C10H16

M(C10H16) - molar mass of C10H16

5 0
4 years ago
What is the electron ADDRESS of Chlorine
Ivan

Answer:

Therefore the Chlorine electron configuration will be 1s22s22p63s23p5. The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom.

Explanation:

5 0
3 years ago
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