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3 years ago

What does a graph representing Charles’s law show?

Chemistry

2 answers:

Lena [83]3 years ago

7 0

Volume increases at the same rate as temperature..... is the answer for sure

Juliette [100K]3 years ago

5 0

Volume increases at the same rate as temperature.

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Are the activities exothermic or endothermic?

Alexandra [31]

Answer:

The first 5 are exothermic reaction because heat is in product means heat is evolved or given out.

And last no reaction shows that heat is required so last reaction is endothermic reaction.

Explanation:

And heat is evolved in exothermic reaction and heat is absorbed in endo thermic reaction

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3 years ago

Help please asap will mark brainliest!! My time is running out.

sukhopar [10]

Answer:

I dont know sorry.

Explanation:

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3 years ago

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The orbits astroids are found primarily between( )and( )

krok68 [10]

Explanation:

The orbitasteroids are found primarly between sun and moon

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3 years ago

The melting points of the two constitutional isomers are as follows: ortho-hydroxy acetophenone: 4-6 °C; para-hydroxy acetopheno

love history [14]

Answer:

ortho-hydroxy acetophenone form intramolecular hydrogen bonding. On the other hand, para-hydroxy acetophenone forms intermolecular hydrogen bonding.

Explanation:

Hydrogen bonding:-

Hydrogen bonding is a special type of the dipole-dipole interaction and it occurs between hydrogen atom that is bonded to highly electronegative atom which is either fluorine, oxygen or nitrogen atom.
Partially positive end of the hydrogen atom is attracted to partially negative end of these atoms which is present in another molecule. It is strong force of attraction between the molecules.

The bonding can be intramolecular and intermolecular. ortho-hydroxy acetophenone can form intramolecular hydrogen bonding which means that hydrogen bonding exist within the same molecule. On the other hand, para-hydroxy acetophenone forms intermolecular hydrogen bonding in which the bonding is in between the different molecules. Hence, more amount of energy is required to melt these molecules in case of para-hydroxy acetophenone.

6 0

3 years ago

You push a shopping cart for fun with a force of 60N. If the shopping cart has a mass of 12kg, what is the acceleration on the c

ivann1987 [24]

Answer:

$\boxed {\boxed {\sf 5 \ m/s^2 }}$

Explanation:

We are asked to find the acceleration of a shopping cart, given the force and mass. According to Newton's Second Law of Motion, force is the product of mass and acceleration.

$F= m \times a$

The mass of the shopping cart is 12 kilograms and the force is 60 Newtons. Let's convert the units for force. 1 Newton is equal to 1 kilogram meter per second squared, so the force of 60 Newtons is also 60 kilogram meters per second squared.

F= 60 kg*m/s²
m= 12 kg

Substitute the values into the formula.

$60 \ kg *m/s^2 = 12 \ kg \times a$

We are solving for the acceleration, so we must isolate the variable a. It is being multiplied by 12 kilograms. The inverse operation of multiplication is division, so we divide both sides by 12 kg.

$\frac {60 \ kg *m/s^2 } { 12 \ kg}= \frac{12 \ kg \times a }{12 \ kg}$

$\frac {60 \ kg *m/s^2 } { 12 \ kg}=a$

The units of kilograms cancel.

$\frac {60 \ m/s^2 } { 12 }=a$

$5 \ m/s^2 =a$

The acceleration of the shopping cart is 5 meters per second squared.

5 0

3 years ago