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shutvik [7]
3 years ago
13

A tool used to measure weight

Chemistry
2 answers:
sergeinik [125]3 years ago
4 0
Answer: A scale. Or beam scale
alex41 [277]3 years ago
3 0

Answer:

A scale

Explanation:

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A gas has a pressure of 1.34 atm when the temperature is 237K. The gas is then
Naddika [18.5K]

Answer:

\large \boxed{\text{1.76 atm}}

Explanation:

The volume and amount of gas are constant, so we can use Gay-Lussac’s Law:

At constant volume, the pressure exerted by a gas is directly proportional to its temperature.

\dfrac{p_{1}}{T_{1}} = \dfrac{p_{2}}{T_{2}}

Data:

p₁ = 1.34 atm; T₁  = 237 K

p₂ = ?;             T₂ = 312 K

Calculations:

\begin{array}{rcl}\dfrac{1.34}{237} & = & \dfrac{p_{2}}{312}\\\\5.654 \times 10^{-3} & = & \dfrac{p_{2}}{312}\\\\5.654 \times 10^{-3}\times312&=&p_{2}\\p_{2} & = & \textbf{1.76 atm}\end{array}\\\text{The new pressure will be $\large \boxed{\textbf{1.76 atm}}$}

6 0
3 years ago
Can someone help please
romanna [79]

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6 0
3 years ago
Which statement about the relationship between density and particle attraction is true?
maw [93]

A. As the density of a substance increases, the attraction among its particles increases.

Explanation:

The relationship between density and particle attraction is that as the density of a substance increases, the attraction among its particles increases.

  • Density is the function of the mass and volume of body.
  • Mass is the amount of particles a substance contains. It is directly related to the density.
  • Volume is the amount of space a substance occupies. It is inversely related to the density.
  • A substance will have a large volume if it is poorly packed and the attraction between particles is very weak or low.
  • Particles that are well packed have high attraction between their particles. This reduces their volume and the density will increase.

Learn more:

Density brainly.com/question/3764212

#learnwithBrainly

4 0
3 years ago
1. What is an isomer? How many possible isomers of hexane are there? What are the structural differences between these isomers?
UNO [17]
When two compounds have same molecular formula but different structural formula, they are said to be isomers of each other and this phenomenon is called as isomerism. 

Hexane has six isomers.

The isomers of hexane have a difference in their structure due to parent chain length (chain isomerism). They are also differentiated on the basis of straight chain as in n-hexane and branched chain as in remaining five. Structures along with names are shown below.

8 0
4 years ago
In a chemical reaction, when particle size is reduced, the rate of reaction increases because of increased surface area of the
Nutka1998 [239]

Answer:

option A

for more information, refer to brainly.com/question/13441946

3 0
2 years ago
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