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d1i1m1o1n [39]
3 years ago
11

Who's your celebrity crush and why?

Chemistry
2 answers:
dezoksy [38]3 years ago
6 0

Answer:

Ian Somerhalder because he's JUST SO fine

Explanation:

trapecia [35]3 years ago
4 0
My current celebrity crush is 100% young matthew perry, like season 1 of friends. i like him bc he’s hot at
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Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
Hatshy [7]

Answer:

The different sounds

Explanation:

since it can not be changed

7 0
3 years ago
The equilibrium constant for the chemical equation N2(g) + 3H2(g) ⇌ 2NH3(g) and Kp=0.174 at 243°C. Calculate the value of Kc for
Mashcka [7]

Answer:

The Kc of this reaction is 311.97

Explanation:

Step 1: Data given

Kp = 0.174

Temperature = 243 °C

Step 2: The balanced equation

N2(g) + 3H2(g) ⇌ 2NH3(g)

Step 3: Calculate Kc

Kp = Kc *(RT)^Δn

⇒ with Kp = 0.174

⇒ with Kc = TO BE DETERMINED

⇒ with R = the gas constant = 0.08206 Latm/Kmol

⇒ with T = the temperature = 243 °C = 516 K

⇒ with Δn = number of moles products - moles reactants  2 – (1 + 3) = -2

0.174 = Kc (0.08206*516)^-2

Kc = 311.97

The Kc of this reaction is 311.97

3 0
3 years ago
What is the mass in grams of 3x10 atoms of helium
Zepler [3.9K]

Answer:

here

Explanation:

What is the total mass of $$3.01 x 10^23$$ atoms of helium gas?

✓ Well $$"Avogadro's number"$$ of helium atoms has a mass of $$4.0*g$$. Explanation: And $$"Avogadro's number"$$

3 0
3 years ago
How is the atomic mass of an element calculated? A. by determining the number of electrons in the outer orbital B.by determining
Vaselesa [24]

By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

7 0
3 years ago
Read 2 more answers
Which statement best defines specific heat?
PolarNik [594]

Answer:

D. The amount of heat required to increase the temperature of 1 g of a substance by 1 °C.

Explanation:

Specific heat is defined as the amount of heat needed to raise a unit of mass of a compound by one degree on the temperature scale.

The gram is constituted as a unit of mass, and the degree Celsius as a unit of temperature, therefore, the specific heat can be defined as the amount of heat required to increase the temperature of 1 g of a substance by 1 °C.

8 0
3 years ago
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