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3 years ago

What are some unique date ideas for teenagers

Chemistry

2 answers:

Setler79 [48]3 years ago

5 0

Teenagers should not be dating.

lys-0071 [83]3 years ago

3 0

I would prefer you to take your boy and roam with all day and at night you can play BD SM with him

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The air in a living room has a mass of 60 Kg and a specific heat of 1,020 J/kg°C. What is the change in thermal energy of the ai

arlik [135]

Answer:

Q = 306 kJ

Explanation:

Given that,

Mass, m = 60 kg

Specific heat, c = 1020 J/kg°C

The temperature changes from 20°C to 25°C.

Let Q be the change in thermal energy. The formula for the heat released is given by :

$Q=mc\Delta T$

Put all the values,

$Q=60\times 1020\times (25-20)\\\\Q=306000\ J\\\\or\\\\Q=306\ kJ$

So, 306 kJ is the change in thermal energy.

4 0

3 years ago

4) Calculate the heat needed to melt 40.0 g of ice at 0°C?

Sav [38]

A lot of heat like a lot no cap it’s gonna he a lot

3 0

3 years ago

Two objects of equal mass have a force of gravity of 6 N between them. Imagine the mass of one is cut in half and the other stay

Alenkasestr [34]

Answer:

F' = 3 N

Explanation:

Given that,

Two objects of equal mass have a force of gravity of 6 N between them.

If the mass of one is cut in half and the other stays the same such that,

m₁' = m₁ and m₂' = (m₂/2)

We need to find the new force. The gravitational force between two objects is given by :

$F=G\dfrac{m_1m_2}{r^2}$

We have, F = 6 N

New force,

$F'=G\dfrac{m_1'm_2'}{r^2}\\\\F'=\dfrac{Gm_1\times \dfrac{m_1}{2}}{r^2}\\\\=\dfrac{1}{2}\times \dfrac{Gm_1m_2}{r^2}\\\\F'=\dfrac{F}{2}\\\\F'=\dfrac{6}{2}\\\\F'=3\ N$

So, the new force becomes 3 N.

3 0

3 years ago

How are cellular respiration and photosynthesis related?

jekas [21]

Answer:

Explanation:

Hope it helps

 #CarryOnLearning 

3 0

3 years ago

If predators A and B prey upon the same species and predator A is eliminated, the population of predator B will likely _________

trasher [3.6K]

Answer: B. Increase because there will be more resources for the remaining predators

5 0

3 years ago

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