The mass of the piece of copper, to the nearest whole number is 121 grams.
<u>Given the following data:</u>
- Specific heat capacity of copper = 0.385 J/g°C
- Initial temperature = 150.0°C
- Final temperature = 225.0°C
- Quantity of heat = 3,500 Joules
To calculate the mass of the piece of copper, to the nearest whole number:
Mathematically, quantity of heat is given by the formula;
<u>Where:</u>
- Q represents the quantity of heat.
- m represents the mass of an object.
- c represents the specific heat capacity.
- represents the change in temperature.
Making "m" the subject of formula, we have:
Substituting the given parameters into the formula, we have;
Mass, m = 121.21 ≈ 121 grams
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The strategy the Ku Klux Klan used to dominate local and state politic was:
- <u>B. The Klan made at least twelve members from each district run for local office.</u>
The Ku Klux Klan were a group of white supremacists who were offshoots of Americans who were opposed to ending slavery and as a form of rebellion, they:
- Attacked blacks in their homes
- Physically prevented some blacks from voting
- Led crusades against blacks and even went as far as burning crosses in front of their homes
- Made sure that their members were in positions of power in government so that they could further oppress blacks
As a result of their desire to gain control and be more powerful, they made sure that their members were elected into political office
Therefore, the correct answer is option B
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