collect more data to support their hypothesis
B. different masses and a different number of molecules
C. equal volumes and the same number of molecules
D. different volumes and a different number of molecules
Answer is C - equal volumes and the same number of molecules.
Explanation;
Let's assume that CO and CO₂ are ideal gases. Then we can use ideal gas law, PV = nRT
Where, P is the pressure of the gas (Pa), V is the volume of the gas (m³), n is the number of moles of gas (mol), R is the universal gas constant ( 8.314 J mol⁻¹ K⁻¹) and T is temperature in Kelvin.
The temperature and the pressure of the both gases are same. Volume is also same as 1.0 L. R is a constant. So according to the formula, both gases have same number of moles. According to the Avogadro's constant, 1 mole has 6.022 x 10²³ particles.
number of molecules = Avogadro's constant x number of moles.
Hence, under the same conditions both gases have same number of molecules.
(2) low temperature and high pressure
(3) high temperature and low pressure
(4) high temperature and high pressure
b. CO2 (g)
c. CO2 (s)
d. CO2 (gp)
According to the periodic table, a sodium atom forms ion by losing two electrons correctly describes the change from a neutral atom of an element to its ion.
What is a neutral atom?
A neutral atom is an atom where the charges of the electrons and the protons balance.
Atomic number 11.
Mass number 23.
Na Electron arrangement 2, 8 , 1 Will lose 1 electron to gain a full valence shell.
Since now 11 + and 10 –, the overall charge is 1+ So we write or simply .
Learn more about the neutral atom here:
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