Classify the following as fluids or solids: warm butter, liquid nitrogen, paper, neon gas, ice.

Answers

Answer 1

Answer: warm butter- liquid
Liquid nitrogen- gas
paper- solid
neon gas- gas
ice- solid

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The gases listed are at standard temperature and pressure: · 1 mol of CO2 gas · 1 mol of N2 gas · 2 mol of O2 gas Which statement is correct? The volume of 1 mol of CO2 is greater than that of 2 mol of O2 . The volume of 1 mol of CO2 is greater than that of 1 mol of N2 . The volumes of 2 mol of O2 and 1 mol of N2 gases are the same. **The volumes of 1 mol of CO2 and 1 mol of N2 gases are the same.**

Answers

Answer : The volume of 1 mole of $CO_(2)$ and $N_(2)$ gases are the same.

Solution: Given,

Moles of $CO_(2)$ = 1 mole

Moles of $N_(2)$ = 1 mole

Moles of $O_(2)$ = 2 mole

Formula used for ideal gas is :

P V = n R T

According to the question, the gases are at standard temperature and pressure. So, the volume of gases only depends on the number of moles. This means that the higher the number of moles, higher will be the volume of gas.

The moles of $O_(2)$ are more than the moles of $CO_(2)$ and $N_(2)$ . So, the volume of $O_(2)$ will be more.

And the moles of $CO_(2)$ and $N_(2)$ are equal. Therefore, their volumes are also equal.

Therefore, the best option is the volume of 1 mole of $CO_(2)$ and $N_(2)$ gases are the same.

The right answer for the question that is being asked and shown above is that: "The volumes of 1 mol of CO2 and 1 mol of N2 gases are the same." The statement that is correct as far as the gases listed are at standard temperature and pressure is concerned is that the volumes of 1 mol of CO2 and 1 mol of N2 gases are the same

What do the formulas for table salt, NaCl, and water, H2O indicate about the compounds?

Answers

The formulas indicate the number of elements in each compound. Notice the difference in ratios:
NaCl is 1:1, while H2O is 2:1.

The correct, chemically balanced equation for photosynthesis is: A. 12CO2 + 6H2O + RADIANT ENERGY -> C6H12O6 + 12O2. B. 6CO2 + 12H2O + RADIANT ENERGY -> C6H12O6 + 6H2O + 6O2. C. 12O + C6H12O6 + 6H2O -> 6CO2 +12H2O + ENERGY. D. 12O2 + C6H12O6 + 12H2O -> 6CO2 + 12H2O + ENERGY. E. 6O2 + C6H12O6 + 6H2O -> 6CO2 + 12H2O + ENERGY.

Answers

Answer:

The correct, chemically balanced equation for photosynthesis is: b. 6CO2+12H2O+radiant energy -> C6H12O6+ 6H2O+6O2

Explanation:

Photosynthesis is the synthesis of a compound which is more complex than CO2, O2 and H2O. It requires the presence of radiation/sunlight. Therefore, c, d, and e are incorrect. C6H12O6 is produced in the photosynthesis, not decomposed. O2 is generated in the photosynthesis. Analyzing both a and b, the only chemically balanced equation is b. The option a has an excess of carbon that is not reflected on the right side of the equation.

Which type of formula represents the simplest whole-number ratio of atoms of the elements in a compound?

Answers

The empirical formula represents the simplest whole number shows the simplest whole number ratio of atoms in a compound. An example of this is the empirical formula for glucose (C₆H₁₂O₆) is C₃H₆O₃.

I hope this helps. Let me know if anything is unclear.

Answer:

Empirical formula

Explanation:

Castle learning

Because of the atomic structure of carbon, it tends to form

Answers

Carbon has 4 valence electrons and has a close electronegativity like that of hydrogen and other nonmetals. Because of this, it tends to form covalents bonds equally spaced around it. The best association to this is the lewis structure for methane,CH4.

Carbon has the ability to for covalent bonds with other elements beside from itself. These bonds are the: single covalent bond; the double covalent bond; and, triple covalent bond.

A rock can be broken down into different kinds of substances by physical processes. No chemical reactions are needed to separate different parts of a rock into pure substances. This is because a rock is a(n) .

Answers

This is because a rock is an aggregate of different minerals. This means that it is a physical mixture rather than a chemical one. While a rock is a combination of different minerals, minerals are substances with uniform composition, represented by a chemical formula.

Answer:

the awnser is minerals :)

Explanation:

just took the test on edg.

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Rank cesium, chlorine, and chromium in order of increasing electron affinityA) Cs < Cr < Cl B) Cl < Cr < Ce C) Ce < Cl < Co D) Ca < Cu < Cl

What is the approximate mass of one mole of oxygen gas (O2)?a. 8 g b. 16 g c. 32 g d. 1.204 × 1024