Chemistry
Grade-9
Easy
Question
When the densities of two gases are in the ratio 1: 2 and their temperatures are in the ratio 2: 1, the pressure ratio is:
- 1:2
2:3
1:1
3:1
2:3
1:1
3:1
Hint:
Use the gas law formula.
The correct answer is: 1:1
The correct option is c)1:1.
According to the gas law,
PV=nRT (density =
)
PV= ![fraction numerator W space over denominator v M end fraction R T](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAAjCAYAAAA0aUL2AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAo1JREFUeNrVWVFEpFEUvsbKyNqXZGUf9iVJVqKHkSTLPKyRNWKtHlYP0UMPWVnmaaWHWD2spJckKxmxkiRZkuzT6iUjyRiSrPSwrLXWSKI9l+/ndNx7K9qdcz8+89/zf8ycufec+93/N+ZmVIgNIpYibji0rdCrxzrxuYi9If52aGeJYzEk9ZnYJ2J7SCrFYg+JP/CpHgvEV2zcQ9wibhKfsfhb4kcTCd4TB9l4A8txWcxgmdgcS1K2fj7guoVYwvU87lm8IH4xEaEfSzBpBMmsjRKncG0T6o0pKTsLRbT1I9YcXhOXMHuHJjLYOlkjjhMLLN6Hdm+bw0hsSdWhhR+Ldt1G/En8TkybCHHJmgVP9soRjwZ2Rp444ufEp/f4Pef4o06Ju9gLG5k1u8B9Hy+EIVBRuyURm2QdVqLFoVeHPLosh+2wnwJbTVF7Ura7vhOxCdgvFyYcepXG+SUbP4L1euzRrwi9SthzWBPxATb8PWGkJY6gD+LqP9I4Dp2XQtMT+K028T/aZylD3GHjrkDXS+7vaE9qwNHltgJ74ECgK6rBDHHYMRuLAf2Q9qRWiTlHfBse87Z6dTYs7amdzTvo782rZW/QZNHZUiYCNKP1zgY09qhyQtyPxbnnYSjPApo5aJa1PJcoego3x7xaAVYm41l2+/BoBa3HgF6ccbhXy+N4MCm09bA9HUynAlVR3N9EU6jg4JjBbMl9JEm07Dlg1gQ2iXb2ROmr8GpVNrZ11YrrbuIB/JnU1RyLzCWXsGf4vNoc6iZZdp0eXc0xAlOZhw8Lea8s6m1a1Jc6j5aDHTlAwYe8ml1m9i3IIZZdyNPVFPVwDOu39F5LbNmp9mi/zPXXNXf1Xv/Uo/nwF8g4r240LPilAAAAqXRFWHRNYXRoTUwAPG1hdGggeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzE5OTgvTWF0aC9NYXRoTUwiPjxtZnJhYz48bXJvdz48bWk+VzwvbWk+PG1vPiYjeEEwOzwvbW8+PC9tcm93Pjxtcm93PjxtaT52PC9taT48bWk+TTwvbWk+PC9tcm93PjwvbWZyYWM+PG1pPlI8L21pPjxtaT5UPC9taT48L21hdGg+lpbmMAAAAABJRU5ErkJggg==)
PV = dRT
![d subscript a over d subscript b equals 1 half
T subscript a over T subscript b equals 2 over 1
fraction numerator begin display style fraction numerator d subscript a space end subscript R T subscript a over denominator M subscript a end fraction end style over denominator begin display style fraction numerator d subscript b R T subscript b over denominator M subscript b end fraction end style end fraction equals fraction numerator d subscript a T subscript a space end subscript M subscript b over denominator d subscript b T subscript b M subscript a end fraction
s u b s t i t u t i n g space t h e space v a l u e s comma
M subscript a over M subscript b equals space 1 half X 2 over 1
M subscript a over M subscript b equals space 1 colon 1](data:image/png;base64,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ChemistryGrade-9
Chemistry
At a fixed amount of gas at constant temperature T occupying volume V1at pressure P1 undergoes expansion so that the volume becomes V2 and the pressure becomes P2 what will be the expression for this?
At a fixed amount of gas at constant temperature T occupying volume V1at pressure P1 undergoes expansion so that the volume becomes V2 and the pressure becomes P2 what will be the expression for this?
ChemistryGrade-9
Chemistry
Which of the following is the correct expression of Boyle’s law?
Which of the following is the correct expression of Boyle’s law?
ChemistryGrade-9
Chemistry
In the Boyle’s law where ‘K’ is the proportionality constant. So the value of K depends on____________.
In the Boyle’s law where ‘K’ is the proportionality constant. So the value of K depends on____________.
ChemistryGrade-9
Chemistry
Among the following graph of P vs V given below corresponds to the Boyle’s laws?
Among the following graph of P vs V given below corresponds to the Boyle’s laws?
ChemistryGrade-9
Chemistry
At fixed temperature and 800mm pressure, the density of a gas is 40. At the same temperature and 400mm pressure, what is the density of the gas?
At fixed temperature and 800mm pressure, the density of a gas is 40. At the same temperature and 400mm pressure, what is the density of the gas?
ChemistryGrade-9
Chemistry
Which of the following curve does not represents the Boyle’s law?
Which of the following curve does not represents the Boyle’s law?
ChemistryGrade-9
Chemistry
Which one of the following is correct according to the PV vs P graph of a gas?
Which one of the following is correct according to the PV vs P graph of a gas?
ChemistryGrade-9
Chemistry
At constant temperature, the volume of a gas was found to be 400cm3 at a pressure of 760mm of Hg. If the pressure of the gas is increased by the half of the actual pressure find the new volume.
At constant temperature, the volume of a gas was found to be 400cm3 at a pressure of 760mm of Hg. If the pressure of the gas is increased by the half of the actual pressure find the new volume.
ChemistryGrade-9
Chemistry
Which one of the following is the real-life example of Boyle’s law?
Which one of the following is the real-life example of Boyle’s law?
ChemistryGrade-9