How reactive is the element iodine.

Answers

Answer 1

Answer:

Answer:

Not too reactive

Explanation:

Iodine is a halogen and is reactive, but it is significantly less reactive than other halogens like chlorine, bromine, and fluorine.

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ammoniagas and oxygengas react to form nitrogen gas and water vapor. suppose you have of and of in a reactor. calculate the largest amount of that could be produced. round your answer to the nearest .
100 Points and Brainliest to the correct answer, if you type a random answer I will reportHow can matter and energy be described and conserved in a variety of systems? Hypotheses: As you view each scenario, make a prediction about what will occur when prompted by the video. The Iced Tea Debate The Salty Soup Predictions—What do you think will happen? Materials: 1. Demonstrations: “The Iced Tea Debate” and “The Salty Soup.” Procedures: 1. Observe and analyze the following video demonstrations: “The Iced Tea Debate” and “The Salty Soup.” 2. Use the data table to record observations on physical and chemical change, and the conservation of matter and energy. Variables: List the variables for The Iced Tea Debate: Independent: Dependent: Control: List the variables for The Salty Soup: Independent: Dependent: Control: Data and Observations: Record your detailed observations and draw some brief conclusions in the table below. The Iced Tea Debate The Salty Soup Describe the physical changes you observed. Describe the chemical changes you observed. Describe the instances of conservation of matter and energy in each demonstration. Questions and Conclusion 1. How was matter and energy conserved in each demonstration? 2. What phase changes did you observe? 3. What kind/s of energy transfers did you notice in each scenario? 4. Identify an example of matter and energy conservation in the world around you. Conclusion: How did your observations support or contradict your predictions? Describe an experiment that could further explore physical or chemical change.

during a canoe race, a camper paddles a distance of 406 meters in 70 seconds. what's the average speed of the race?

Answers

Answer:

Average speed of the racer is 5.8 m/s.

Explanation:

Total distance covered by racer = D = 406 m

Total time taken racer= T = 70 seconds

The formula of an average speed is given by:

Average speed :

$=\frac{\text{Total distance covered}}{\text{Total time taken}}=(D)/(T)$

Average speed of the racer is:

$=(406 m)/(70 seconds)=5.8 m/s$

speed= distance/time
5.8 m/s=406/70

1km = 100m
1h= 3600s
(5.8m/s)(1km/100m)(3600s/1h)

What happens when you mix soil with water?

Answers

Depends on the soil but it will usually become muddy.

It becomes dirt water and like sometimes it turns red when u sit it out for 1 week.

Scientific Notation expresses a value as the product of a number between 1 and 10 and

Answers

... and a power ot ten.

For example: 1,3x10^21 is in scientific notation, but 13x10^20 is not in scientific notation.

Which compound is an isomer of CH3CH2OH

Answers

sea water is denser than clear water because of the salt

What is the limiting reactant if 4.0 g of Nh3 react with 8.0 g of oxygen?

Answers

Answer : The limiting reagent is $O_2$ .

Solution : Given,

Mass of $NH_3$ = 4.0 g

Mass of $O_2$ = 8.0 g

Molar mass of $NH_3$ = 17 g/mole

Molar mass of $O_2$ = 32 g/mole

First we have to calculate the moles of $NH_3$ and $O_2$ .

$\text{ Moles of }NH_3=\frac{\text{ Mass of }NH_3}{\text{ Molar mass of }NH_3}=(4.0g)/(17g/mole)=0.24moles$

$\text{ Moles of }O_2=\frac{\text{ Mass of }O_2}{\text{ Molar mass of }O_2}=(8.0g)/(32g/mole)=0.25moles$

Now we have to calculate the limiting and excess reagent.

The balanced chemical reaction is,

$4NH_3+5O_2\rightarrow 4NO+6H_2O$

From the balanced reaction we conclude that

As, 5 mole of $O_2$ react with 4 mole of $NH_3$

So, 0.25 moles of $O_2$ react with $(0.25)/(5)* 4=0.20$ moles of $NH_3$

From this we conclude that, $NH_3$ is an excess reagent because the given moles are greater than the required moles and $O_2$ is a limiting reagent and it limits the formation of product.

Hence, the limiting reagent is $O_2$ .

NH3-The limiting reactant is the reactant that get completely used up in a reaction

The empirical formula of styrene is CH; find the % composition for H and CH. How many atoms are present in a 2.00 gram sample of styrene? PLEASE HELP! THANK YOU

Answers

% Composition = ?
no atom in 2 g of styrene =?
molar mass of strene =104.15
% composition of c= 12/13.008 =.922*100=92.2
% composition of h =1.008/13.008=0.0774*100= 7.74

no gram atom=mass in kg /molar mass=2/104.15 =0.01920 mol
no of gram atom * avogadro's number = 0.0192*6.02 *10( exponent 23) =1.15584

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