How many grams are needed to form 33.6 L of carbon dioxide

Answers

Answer 1

Answer: It depends of the temperature and the pressure. If temperature and pressure are standard 1 mol forms 22.4 liter. So 33.6 liters form 33.6/22.4 = 1.5 mols.

Now calculate the molar mass of carbon dioxide: 12 g/mol + 2x16 g/mol = 44 g/mol

The mass of the 1.5 mols is 1.5mol * 44 g/mol = 66 g.

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What is the isotope and isotopic notation symbol for Z = 29, A = 65?

Answers

Isotopes are atoms with the same number or protons and electrons but different numbers of neutrons.
Here, we got Z = 29 so the charge of the nucleus is 29, and A is the atomic mass.
Since the atom number (Z) is 29, so i guess the isotope is the Copper.
Isotopic notation: $Cu_(29)^(65)$

Hope this Helps :)

Final answer:

The isotope with atomic number Z = 29 and atomic mass A = 65 is for Copper and its isotopic notation is 65Cu.

Explanation:

The isotope with atomic number Z = 29 and atomic mass A = 65 is for the element Copper (Cu). To write this in isotopic notation, you represent it as 65Cu. Here, the atomic number Z (number of protons) is represented by Cu and the mass number A (number of protons + neutrons) is represented by the superscript number 65. Thus, the isotope notation symbol for this is is 65Cu.

Learn more about Isotopic Notation here:

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Chemical changes ________ involve the breaking and making of chemical bonds.A) Always
B) Never
C) Sometimes

Fill in the blank

Answers

The correct answer that would best complete the given statement above would be option A. Chemical changes ALWAYS involve the breaking and making of chemical bonds. When there is chemical change, a new compound is being formed. If a new compound is not formed, then it is not considered as a chemical change. When a new compound is formed, therefore, there is the breaking and making of chemical bonds. Hope this helps.

Answer:

A: Always.

Explanation:

Got it correct on Oddesyware

Which of the following is not a type of adaptation? A. Functional B. Mechanical C. Behavioral D. Structural

Answers

B. Mechanical- is NOT a type of adaptation

Required nutrients in foods that are made by other living organisms are_______

Answers

Answer: Vitamins

Explanation:

they are nutrients that are made by living things

The process of photosynthesis is essential in the oxygen/carbon dioxide cycle. Photosynthesis removes ______ from the atmosphere and produces and releases ______ into the atmosphere.A) glucose, oxygen
B) oxygen, glucose
C) carbon dioxide, oxygen
D) oxygen, carbon dioxide

Answers

Answer:

The answer is C) carbon dioxide, oxygen.

Explanation:

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

So lets eliminate some answers:

Photosynthesis removes oxygen from the atmosphere and produces and releases glucose into the atmosphere.

Oxygen can not convert itself to glucose and plants don't take in oxygen so this answer is automatically eliminated

Photosynthesis removes oxygen from the atmosphere and produces and releases carbon dioxide into the atmosphere.

Plants take in carbon dioxide and convert it to oxygen basically how humans breath but inverted, not the other way around.

Photosynthesis removes glucose from the atmosphere and produces and releases oxygen into the atmosphere.

Glucose naturally is not found in the atmosphere in the first place so if a plant were to survive is would have to be in a glucose enriched environment which is very uncommon meaning it would be very rare to be a living functional plant that can photosynthesize. So this is checked off the list!

So we are now left with one sentence that would make sense

Photosynthesis removes carbon dioxide from the atmosphere and produces and releases oxygen into the atmosphere.

Plants take in carbon dioxide meaning the first section of this answer is right and they release oxygen which is also correct therefore this statement is valid and is the correct answer

Hope this helped (:

Sources I used:

Oxford dictionary

What is an ion? Please, give an example.

Answers

an atom or molecule with a net electric charge due to the loss or gain of one or two electrons is known as ion .
ions are of two types
1. cations ( positive ion )
2. anion (negative ion )
for e.g Al³+

An Atom is electrically neutral with a charge equal to 0, because it have the same number of protons and electrons.
In ion is an atom who lose or gain electrons. When it lose an electron, the number of protons will be higher than then number of electrons in an normal atom, and will be called positive ion or cation.
Example: The Aluminium lose 3 electrons. So the ion of Al will be $Al^(3+)$ , and its charge is 3+
Ionization equation: $Al -----\ \textgreater \ Al^(3+) + 3^(e-)$
And When an ion gain electrons, the number of electrons will be higher than the number of protons in an normal atom, and will be called negative ion, or Anion..
Example: the Chloride gain 1 electron. So the ion of Cl is $Cl^(1-)$ , and its charge is 1-
Ionization equation: $Cl + 1^(e-) ----\ \textgreater \ Cl^(1-)$

HOPE THIS HELPS :D

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Many laboratory gases are sold in steel cylinders with a volume of 43.8 L. What mass (in grams) of argon is inside a cylinder whose pressure is 17615kPa at 23∘C?