How many oxygen atoms are in one molecule of table sugar (C12H22O11

Answers

Answer 1

Answer: Just use the formula, it tells you how many.

C12H22O11 means
12 Carbon atoms
22 Hydrogen atoms
11 Oxygen atoms

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7 Which element has atoms that can form halide ions?(1) iodine (3) strontium
(2) silver (4) xenon

Answers

The element that has atoms that can form halide ions is iodine.

What are halogens?

Halogens are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid and Iodine and astatine are solids. Halogens are very reactive, the reactivity decreases from fluorine to astatine. Halogens do not exist in elemental form in nature. Astatine isotopes are radioactive with short half-lives.

One of the definitive properties of halogens is that they are highly reactive. Due to this nature, they can form different compounds such as halides, interhalogens and polyhalogenated compounds. We will look at them in brief below.

These are compounds formed by the reaction of halogens with metals. Metal halides can be highly ionic compounds, monomeric covalent compounds or polymeric covalentcompounds.

Therefore, The element that has atoms that can form halide ions is iodine.

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It is iodine. The halogen creates halide ions and takes in electrons.

How many cases of measles would you predict were reported last year

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In the laws of mathematics, especially in rounding off digits, you should take note of the digit following that number no matter how long or short a number is. If the numberis preceded by numbers between 0-4, the number does not change. However if its is preceded by numbers between 5-9, add one to the number. For example, 145698. If it is rounded off to the nearest hundreds, since 9 is the number after 6, add 1 to 6 and it becomes 145700. If it is rounded off to the nearest hundred thousands, since 4 is the number after 1, you do not add, the number stays the same and it becomes 100000

Helppp PLZ The density of sodium is 0.97g/cmCUBIC. IF A SAMPLE OF SODIUM HAS A VOLUME OF 2.6CM CUBIC WHAT IS THE MASS OF THE SAMPLE

PLZ HELP AND SHOW YOUR WORK AND PLZ EXPLAIN TO ME SO I CAN DO OTHER QUESTIONS RELATED TO THIS

Answers

Alright, so the start point is the 2.6cm³. Next you use the density to find the amount in grams. The density can be written out as an identity which in this case would be 0.97gNa=1cm³Na. So you have this equation

2.6mL Na × $(0.97g Na)/(1 mL)$ ≈ 2.5g Na

Remember that 1cm³=1mL and that all answers must follow the rules of significant figures and rounding.

Final answer:

The mass of the sodium sample, calculated using the formula Mass = Density x Volume, is approximately 2.52 grams.

Explanation:

To find the mass of the sodium sample, you can use the formula Density = Mass / Volume. In this case, we know that the density of sodium is 0.97g/cm3 and the volume of the sample is 2.6 cm3. You can rearrange the equation to solve for mass which gives us Mass = Density x Volume.

So if you multiply the density of sodium with the volume of the sample, i.e., 0.97g/cm3 x 2.6 cm3, it results in a mass of approximately 2.52 grams.

So, the mass of the sodium sample is approximately 2.52 grams.

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A chemical reaction between iron atoms and oxygen molecules can only occur if(1) the particles are heated
(2) the atmospheric pressure decreases
(3) there is a catalyst present
(4) there are effective collisions between the particles

Answers

Answer: option (4) there are effective collisions between the particles

Justification:

The collision theory explains the chemical reactions in terms of collisions. A chemical reaction takes place if two molecules collide effectively.

So, the first conditon is that the collision occur.

The second condition, that the collision be effective requires two conditions:

1) that the collision occurs with the proper orientation of the molecules, and

2) that the energy of collision be high enough to start the break of the original bonds ant the creation of the new bonds in the activated complex.

The energy required to form this activated complex is the activation energy.

So, an effective collision requires the proper orientation of the molecules when they collide and that the energy be equal or greater than the activation energy.

Temperature and catalyst are factors that affect the occurrence of those collisions, so they affect the rate of the reaction, by modifiying the number of collisions.

the answer is D because in order for a reaction to take place there must be collisions between the iron and oxygen atoms

During which month does the Sun appear to rise farthest north of due east for an observer in New York State?

Answers

Since the Summer solstice is when the sun is highest in the sky and the solstice is in June, that's your answer :)

Using less water is one way to practice watera. filtration.
b. distribution.
c. conservation.
d. irrigation.

Answers

Answer: Option (c) is the correct answer.

Explanation:

When we avoid wastage of water or overuse of then then it is known as conservation of water.

For example, turning off tap when bucket placed below it is filled with water means avoiding wastage of water.

Whereas over flow of water from the bucket is wastage of water.

Thus, we can conclude that using less water is one way to practice water conservation.

Using less water is one way to practice c. conservation. That would come in handy for a drought :D. Hope this helps and have a good day!

Other Questions

How many moles of NaNO, would you need to make 500 mL of a 2.5 Msolution of NaNO?

1. Jack consumes two slices of pizza and drinks two large glasses of soda. Half an hour later, he complains of a stomachache. What is the most likely reason for Jack's upset stomach?A. Soda and lactose from the cheese combined and slowed enzyme activity. B. Soda mixed with the pizza sauce and sped up digestive enzyme activity. C. Soda raised the pH in his stomach and sped up digestive enzyme activity. D. Soda lowered the pH in his stomach and slowed digestive enzyme activity. 2. Which factor decreases the rate of a chemical reaction? A. An inhibitor B. A co-factor C. Increased substrate D. Cold temperature 3. Which component decreases the activation energy of a chemical reaction? A. An inhibitor solution B. Presence of an enzyme C. Lower substrate concentration D. Neutral pH levels 4. A biologist adds a vitamin solution to an enzyme/substrate solution that requires co-factors. What will happen to the substrate? A. The vitamins will bond to the enzymes and increase their reactivity with the substrates. B. The vitamins will bond to the enzymes and decrease their reactivity with the substrates. C. The substrate molecules will bond to the vitamin molecules and inhibit bonding of the enzyme. D. The substrate molecules will bond to the vitamin molecules and stimulate bonding of the enzyme. 5. Jennifer stews peaches to make peach jelly. She believes the homemade jelly will make a healthy treat full of vitamins and enzymes her body needs. Which of the following disproves her prediction? A. The peaches don't contain enzymes. B. The jelly has too much sugar to be healthy. C. The enzymes in the peaches have denatured. D. The vitamins in the peaches will inhibit the enzymes. 6. What statement best describes what happens during the catalytic cycle? A. The enzyme breaks the substrate apart to prepare for the reaction. B. The enzyme positions the substrate to increase access during a reaction. C. The substrate uses enzyme energy to start the reaction. D. The active site releases the substrate and replaces it with an inhibitor.

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What is the theoretical yield of sodium oxide (Na₂O) in grams when 20.0g of calcium oxide (CaO) reacts with an excess amount of Sodium chloride? *10 pointsCaptionless Image10.0g22.1g32.9g5.6g