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ki77a [65]
3 years ago
8

Determine how many liters 8.65 g of carbon dioxide gas would occupy at the following conditions.

Chemistry
1 answer:
VashaNatasha [74]3 years ago
3 0
1) 6.17 liters

2)2.66 liters
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Temka [501]

Scientists tell people which issues are the most important describes an important role scientists have in society.

In addition to advising policymakers and other stakeholders about the best and wisest steps to take toward a human-centered society, scientists have a crucial role to play in preventing unwise and dangerous decisions. This promotes scientific knowledge and strengthens cross-cultural relationships and collaborative research. Additionally, they shouldn't overlook the objective, perpetually unfinished nature of science. With the help of a transdisciplinary cross-talks method, we emphasize the significance of information transfer across all scientific disciplines.

Due to the specific ways in which they aid in understanding how the world functions, scientists are crucial to society. It is a mode of thinking that helps us organize our knowledge in order to comprehend how things operate on a deeper level.

Learn more about Scientists here

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8 0
1 year ago
Why do you think there is not a periodic table of compounds? Explain with evidence.
Alex787 [66]
 <span>Compounds are composed of different elements in a fixed proportions. For example, 1 atom of oxygen (O) combines with 2 atoms of hydrogen (H) to form one molecule of water (H2O) compound. Similarly other numbers of atoms would produce other chemical compounds. Even adding 1 more atom of oxygen would convert the water (H2O) into hydrogen peroxide(H2O2). Even if we were only to list the ones we know there are over 20 million known compounds. 

In order to list all possible compounds such a table would rapidly become combinatoric nightmare of such size that it would not be practical to use even with a computer database and it would consist of over 100 billion possible compounds containing only H, C, O and N. 

Creating a table to handle all possible elements would mean a table of many trillions of compounds.</span>
4 0
3 years ago
Please show all work chemistry thanks 2,3 and 4
nikitadnepr [17]

Answer: 2) 0.21 mole H2O

3) 0.50 mole K2O

4) 123 g Ca( NO3)2

Explanation: solution attached.

For number 2 to find the number of moles of H2O just divide the given in molecules with the Avogadro's number.

For 3 convert grams of K2O to moles by using 1 mole of K2O is equal to the molar mass of K2O

For number 4 moles to grams. Same process with number 3

3 0
3 years ago
What factors play a role in the rate at which molecules like O₂ and CO₂ can diffuse?
nadezda [96]

Answer:

The correct answer is b the magnitude of the concentration gradient of the molecule.

Explanation:

Dffusion is one of most important membrane transport process that allow several molecules such as gases oxygen and carbon dioxide to pass directly across the plasma membrane.The is no involvement of  carrier proteins or ion channels during passive diffusion.

    During passive diffusion molecules are transported along their concentration gradient that means from the region of high concentration to region of low concentration,until the concentration of both regions become same.

8 0
3 years ago
2FePO4+3 Na2so4---&gt;Fe2(so4) + 2 Na3Po4 if i ise 25grams of iron iii phosphate 18.5 g iton what is my percent yeild?
Strike441 [17]

Answer:

56%

Explanation:

<em>If I use 25 grams of iron (III) phosphate and obtain 18.5 g of iron (III) sulfate, what is my percent yield?</em>

Step 1: Write the balanced equation

2 FePO₄ + 3 Na₂SO₄ ⇒ Fe₂(SO₄)₃ + 2 Na₃PO₄

Step 2: Calculate the theoretical yield of Fe₂(SO₄)₃

The mass ratio of FePO₄ to Fe₂(SO₄)₃ is 301.64:399.88.

25 g FePO₄ × 399.88 g Fe₂(SO₄)₃/301.64 g FePO₄ = 33 g Fe₂(SO₄)₃

Step 3: Calculate the percent yield of Fe₂(SO₄)₃

We will use the following expression.

%yield = (experimental yield/theoretical yield) × 100%

%yield = (18.5 g/33 g) × 100% = 56%

4 0
3 years ago
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