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Nikolay [14]
3 years ago
13

How closely a measurement reflects the actual value is precision. True or False??

Chemistry
1 answer:
Rina8888 [55]3 years ago
7 0

Answer:

very very very verytrue

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Bi2(CO3)3<br> Name of this compound
Keith_Richards [23]

Answer:

The name of this compound is :

Bi2(CO3)3 = Bismuth Carbonate

Explanation:

The name of the compound is derived from the name of the elements present  in it.

The rule followed while naming the compound are:

1. The first element (always the cation) is named as such .

2. The second element (The anion) end with "-ate ,  -ide ," etc

3. NO prefix is added while naming the first element.

For example : Bi2 can't be named as Dibismuth

Na2 = Can't be named as disodium

Hence the compound :

Bi2(CO3)3 contain two element : Bi and CO3. Here , Bi = cation (named as such) and CO3 = anion (named according to rules)

Bi = Bismuth

CO3 = carbonate

Bi2(CO3)3 = Bismuth Carbonate

The molecular mass of this compound is :

Molecular mass = 2 (mass of Bi) + 3(mass of C) + 6(mass of O)

= 2 (208.98)+3(12.01)+6(15.99)

= 597.987 u

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3 years ago
Identify which of the following descriptions of a tree is quantitative?
sattari [20]

Answer:

b) has leaves that are 8 -10 cm long

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2 years ago
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Which of the following statements is true?
Zinaida [17]

Answer:

Parasites often show cospeciation because they must evolve with ther hosts.

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Is often mistakenly regarded as being based on science
Alex777 [14]
The question is asking to state the term that is often mistakenly regarded as being base on science and base on my research and further analysis, I would say that the answer would be a Pseudoscience. I hope you are satisfied with my answer and feel free to ask for more if you have question  
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What scientist explained the theory of atomic structure by relating it to the planetary model?​
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Answer: Rutherford

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