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fgiga [73]
3 years ago
10

Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile

metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color....helllpppppp..pleasee!!
Eli bro answer
SAT
2 answers:
lubasha [3.4K]3 years ago
7 0

Answer:

heh thx sis

Explanation:

klasskru [66]3 years ago
6 0

Answer:

Ok..what you need help with ??

Explanation:

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What is a possible disadvantage of using the graphic in ""on-line programs to train your brain""?
kozerog [31]

The possible disadvantage of using the graphic in “On-line Programs to Train Your Brain is: Because the graphic looks “child-like” readers may not take the author seriously.

<h3>What is the disadvantage of online programs?</h3>

Now, online programs used in training our brain doesn't take anything seriously because for example, during online classes, a lot of students are not as serious as they would have been physically which makes them to loose their marks and that's all caused by our brain cause we think we can learn it later and we don't but instead just  ignore it.

Thus, the possible disadvantage will be that the graphic looks “child-like” readers may not take the author seriously.

Read more about disadvantage of online programs at; brainly.com/question/22317416

3 0
2 years ago
You're doing a story on meth heads. You grab a picture of a random woman to run with the story. You're guilty of what?
morpeh [17]
Kidnapping, larceny, and identity theft
8 0
3 years ago
Which statement correctly compares the speed of light?
Jobisdone [24]

Answer:

the speed of light in glass is slower than the speed of light in space

4 0
3 years ago
Suppose that 3. 33 g of acetone at 25. 0 °c condenses on the surface of a 44. 0-g block of aluminum that is initially at 25 °c.
Vlada [557]

The final temperature on the block is 25 degrees.

Heat is a form of energy. This question shows that energy is transferred from the acetone to the metal block.

Data given;

  • M1 = 3.33g
  • T1 = 25 degrees
  • M2 = 44g
  • T2 = 25 degree
  • C1 = 124.5 J mol K
  • C2 = 0.89 J/g K
<h3>Heat Transfer</h3>

Applying the principles of heat transfer,

Heat loss = Heat gain

m1c1(T1 - T3) = m2c2(T3 - T2)\\3.33*124.5*(25.0 - T3) = 44*0.89*(T3 - 25)\\10364.625 - 414.585T3 = 39.16T3 - 979\\10364.625+979 = 414.585T3 +39.16T3\\11343.25 = 453.745T3\\T3 = \frac{11343.25}{453.745} \\T3 = 24.999\\T3 = 25

From the calculation above, the final temperature on the block is 25 degrees.

Learn more on heat transfer here;

brainly.com/question/15003174

3 0
2 years ago
A researcher selects a sample from a district such that 25% of the children are between ages 5 and 6, 25% are between ages 7 and
Llana [10]

Answer:

Quota.

Explanation:

In Statistics, sampling can be defined as a process used to collect or select data (objects, observations, or individuals) from a larger statistical population using specific procedures.

There are various types of sampling used by researchers and these are;

1. Random sampling.

2. Systematic sampling.

3. Stratified sampling.

4. Cluster sampling.

5. Opportunity or convenience sampling.

6. Quota sampling.

Quota sampling can be defined as a non-probability sampling technique wherein a sample comprising of data from a population or homogeneous group are created.

In this scenario, a researcher selects a sample from a district such that 25% of the children are between ages 5 and 6, 25% are between ages 7 and 8, 25% are between 9 and 10, and 25% are between ages 11 and 12. Thus, the researcher is employing a quota sampling.

6 0
3 years ago
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