If the volume and moles of a container are held constant, the temperature of a gas is inversely proportional to the pressure. TRUE
FALSE
Answers
Answer:
FALSE
Explanation:
Assuming that the gas is ideal
Therefore the gas obeys the ideal gas equation
Ideal gas equation is
P × V = n × R × T
where
P is the pressure exerted by the gas
V is the volume occupied by the gas
n is the number of moles of the gas
R is the ideal gas constant
T is the temperature of the gas
Here volume of the gas will be the volume of the container
Given the volume of the container and number of moles of the gas are constant
As R will also be constant, the pressure of the gas will be directly proportional to the temperature of the gas
P ∝ T
∴ Pressure will be directly proportional to the temperature
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7. You found that 1.50 ml of a liquid has mass of 2.750g. What is the density of the unknown liquid?
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N,Br
- The elements which can donate their electrons are called metals
- The elements which can adopt other's electrons to acquire noble gas configuration are called non metals
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Answers
Answer:
d = 1.85 g/cm³
Explanation:
Given data:
Volume of sulfuric acid = 35.4 mL
Mass of sulfuric acid = 65.14 g
Density of sulfuric acid = ?
Solution:
1 ml = 1cm³
Formula:
d = m/v
d = 65.14 g / 35.2 cm³
d = 1.85 g/cm³
B) decomposition
C) single replacement
D) double replacement
Answers
The reaction in which two or more substances combine to form one substance is called a synthesis reaction, Option A is the correct answer.
What do you understand by a synthesis reaction ?
The reaction in which two or more molecules combine to form one or more different molecule is called a synthesis reaction.
These are also called as Combination Reaction.
Example Synthesis reaction of Ammonia from Hydrogen and Nitrogen , known as Haber's Process.
3H₂ + N₂-----> 2NH₃
This reaction takes place at high temperature and pressure.
Therefore , The reaction in which two or more substances combine to form one substance is called a synthesis reaction, Option A is the correct answer.
To know more about Synthesis Reaction
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11. Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?
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B. Mechanical- is NOT a type of adaptation