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kotykmax [81]
3 years ago
7

Which of the following could be considered a scientific statement?

Chemistry
2 answers:
schepotkina [342]3 years ago
8 0
Ants live In colonies
Alexus [3.1K]3 years ago
6 0

Answer: Ants live in colonies.

Explanation:

The 1st, 3rd, and 4th, answer choice are all considered as opinions.

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A gas occupies a volume of 2.4 L at 14.1 kPa. What volume will the gas occupy at 84.6 kPa?
Naddik [55]

Answer:

  • <u>0.40 L</u>

Explanation:

Boyle's law for gases states that, at constant temperature, the volume and pressure of a fixed amount of gas are inversely related.

Mathematically, that is:

  • PV = constant

  • P₁V₁ = P₂V₂

Here, you have:

  • V₁ = 2.4 L
  • P₁ = 14.1 Kpa
  • P₂ = 84.6 KPa
  • V₂ = ?

Then, you can solve for V₂:

  • V₂ = P₁V₁ / P₂

Substitute and compute:

  • V₂ = 14.1 KPa × 2.4L / 84.6 KPa = 0.40 L ← answer
3 0
3 years ago
How many moles of boron<br> (B, 10.81 g/mol) are in 37.8<br> grams of boron?<br> [?] moles
madreJ [45]

Answer:

37.8g/ 10.81g/mol = 3.4968...moles

3 0
2 years ago
Given the formulas for the ionic compounds, draw the correct ratio of cations to anions (a) BaSO4, (b) CaF2, (c) Mg3N2, (d) K2O.
Karolina [17]

Answer:

A. It formed by barium(Ba+2) ion and sulfate ( SO42- )

B. It is formed by calcium ion (Ca+2) and two fluoride ions (2F-)

C. It is formed by magnesium ion (Mg+2) and nitride ion (N3-)

D. It is formed by two potassium ions (2 K+) and oxide ion(O2-)

3 0
3 years ago
What is"An Elephant's Excellent trunk"mostly about?
mr_godi [17]
Mostly about what it can do with its trunk! also about how strong it is or evan how long! love to help!
contact me if you need more info
-luna
3 0
3 years ago
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Zainab is in science class, and he is studying an organism that reproduces sexually. The genetic material of the organism
Tanzania [10]

Answer:

The genetic material of the organism will be DNA.

Explanation:

Sexual reproduction can be described as a type of reproduction in which offsprings with genetic diversity are produced. Sexual reproduction occurs by the process of meiosis.

DNA is the genetic material which is passed from the parents to the offsprings at the time of fertilization. However, the phenomenon of individual assortment and crossing over during the process of meiosis produces genetic variability among the children and the parents.

8 0
3 years ago
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