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Murrr4er [49]
2 years ago
10

Why is there a difference in the heating rates of land and water?

Chemistry
1 answer:
lions [1.4K]2 years ago
6 0
It’s going to take significantly less energy to heat Land V.S. Water. It’s also a different heat transfer process. Hope this helps
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Calculate the density of a solid substance if a cube measuring 2.54 cm on one side has a mass of 108 g/cm3​
kozerog [31]

Answer:

6.59 g/cm³

Explanation:

Step 1: Given data

  • Side of the cube (s): 2.54 cm
  • Mass of the cube (m): 108 g

Step 2: Calculate the volume of the cube

We will use the following expression.

V = s³ = (2.54 cm)³ = 16.4 cm³

Step 3: Calculate the density of the solid

Density is an intrinsic property, equal to the quotient between the mass and the volume.

ρ = m/V

ρ = 108 g / 16.4 cm³ = 6.59 g/cm³

3 0
3 years ago
A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 6.50kg of water at 24.2°C. Dur
sukhopar [10]

Answer:

27.4°C

Explanation:

Using the equation:

Q = m*C*T

<em>Where Q is heat added,</em>

<em>m the mass of water</em>

<em>C specific heat of water (4.18J/g°C)</em>

<em>And T the increase in temperature</em>

We can solve for the increase in temperature and thus, the final temperature of water:

Q = 88200J; m = 6500g:

88200J = 6500g*4.18J/g°C*T

3.2°C = T = increase in temperature

Final temperature is:

24.2°C + 3.2°C =

<h3>27.4°C</h3>
5 0
2 years ago
Given the balanced equation, calculate the mass of product that can be prepared from 2.36 g of zinc metal.
Nataly_w [17]
Moles of Zn present= 2.36/65.4= 0.0361 moles
Therefore maximum moles of ZnO= 0.0722
Mass of one mole of ZnO= 81.4
Mass of ZnO produced= 0.0722 x 81.4= 5.87g
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Answer:

beryllium has a higher ionization energy because its radius is smaller. boron has a higher ionization energy because its radius is smaller.

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