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Andrews [41]
3 years ago
10

228Th -> 4He+? 90. 2

Chemistry
1 answer:
ki77a [65]3 years ago
7 0
Urmmm??????? What is the question
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The universe is mostly made up of what?
daser333 [38]
The universe is made mostly of empty space nothing else even close.
6 0
4 years ago
What does the prefix trans-indicate?
kogti [31]

Answer: I think trans- prefix Definition of trans- (Entry 3 of 3) 1 : on or to the other side of : across : beyond transatlantic. 2a : beyond (a specified chemical element) in the periodic table transuranium

Explanation:

The prefix trans- and its variant tra-, which mean “across,” appear in many English vocabulary words, for example: transmit, transform, and trajectory. Consider the word translation, which is the carrying “across” from one language into another.

Hope it helps

5 0
3 years ago
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Scientific knowledge must be supported by evidence. An idea that is not supported by evidence but is made to appear scientific i
Aloiza [94]
Answers A-C would be considered pseudoscience, then. D can be considered scientific because there is definite evidence surrounding how genes are the codes in DNA that make everything the organism may need. 

Pseudoscientific beliefs do not line up with the scientific method. Ask yourself: Which one can be proven to be a reproducible experiment that can be peer reviewed (verified) by other experts in the same field?
8 0
4 years ago
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A sample of barium nitrate is placed into a jar containing water. The mass of the barium nitrate sample is 27g. Assume the water
34kurt
So we have Barium nitrate with a solubility of 8.7g in 100g water at 20°C.

using that relation
i.e.
8.7g (barium nitrate) =100g (water)
1g barium nitrate = 100/8.7 g water

27g barium nitrate = (100/ 8.7 ) × 27
= 310.34 g

therefore,
you need 310.34g of water is in the jar.

5 0
4 years ago
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meteorologist preparing a talk about global warming compiled a list of weekly low temperatures (in degrees Fahrenheit) he observ
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Answer:

Regarding Measures of center, the Mean will be smaller, and Median will not be affected. Thus, the median will not change, since the temperature was already low initially and only decreased. However, the median takes the average of all values into account, and if you substitute a value for a smaller value, the average decreases.

In relation to Measures of spread, the range and standard deviation will be larger, and the IQR will not change. Therefore, the range is the highest minus the lowest number; if the lowest number decreases sharply, the range increases. On the other hand, the IQR only counts the first and third quartile values. Therefore, since the value was already the lowest, if it is decreased, it will not change the IQR. However, the standard deviation will increase significantly, as the decreasing value of the lowest data point will increase the overall spread.

Explanation:

6 0
3 years ago
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