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Tema [17]
3 years ago
13

A chemical reaction takes place in which energy is absorbed arrange the characteristics of the reaction in order from start to f

inish
Chemistry
2 answers:
lbvjy [14]3 years ago
6 0
First its ... higher energy of reactants , higher energy of products & you do the same with the lower ones than you do transition state
Fittoniya [83]3 years ago
5 0

Answer:  A chemical reaction takes place in which energy is absorbed. Arrange the characteristics of the reaction in order from start to finish.

Here's the answer you need for the quiz or test on Plato.

Explanation:

1.  Lower energy of reactants

2. Transition

3. Higher energy of products

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Assuming 1 mol of Fe3+ and 2 mol of SCN- were allowed to react and reach equilibrium. 0.5 mol of product was formed. The total v
zaharov [31]

Answer:

a. 0.5 mol

b. 1.5 mol

c. 0.67

Explanation:

Fe3+ + SCN- -----> [FeSCN]2+

a. The ratio of the product to Fe3+ is 1:1. Meaning that if 0.5 mol of product was produced up then 0.5 mol of Fe3+ was used. Leaving 0.5 mol remaining at equilibrium

b. The ratio of the product to SCN= is 1:1. Meaning that if 0.5 mol of product was produced up then 0.5 mol of SCN- was used. Leaving 1.5 mol remaining at equilibrium

c. KC =  0.5/(0.5*1.5) =  0.67

3 0
2 years ago
Identify the reactants in the following equation.
Lina20 [59]

Answer:

the answer is b Li + Cl2 .....

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This element is found in group 1, period 7 and has the lowest mass in this period. *
liraira [26]

The answer is Francium.

3 0
3 years ago
Which of the following elements has the highest atomic radius, Sr or Cu
cestrela7 [59]

Answer:

Sr or Strontium

Explanation:

sr: strontium has atomic radius of 255pm

cu: copper has an atomic radius of 128pm

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2 years ago
3 A soil has 70% sand, 20% silt
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Today, as part of the series of posts on soils, we are going to look at ‘soil texture’. Soil forms the basis for all life but it’s important to know about its mineral constitution as well as its biological profile.

Texture refers to the ‘feel’ of the soil. This is affected by the constituent materials found within it, specifically sand, silt and clay particles. A coarse sand will feel gritty but a wet clay will feel heavy and sticky. The texture of a soil has a direct impact on the way the soil reacts to certain environmental conditions – for example, towards drought or heavy rain (with sandy soils more freely draining).

There is a big difference in the size of the different particles.

Coarse sand = diameter 2-0.2mm

Fine sand = diameter 0.2-0.02mm

Silt = diameter 0.02-0.002mm

Clay = diameter less than 0.002mm

Note how the clay particles are much smaller than the sand particles – this is important as it means the total surface area of a clay soil is much greater and so the capacity to hold water is also much greater.

Between the sand, silt and clay particles there are lots of pores. In fact a soil as a whole is generally 45% mineral, 5% organic matter (depending on the soil) and 50% pore space through which air and water can pass.

Sand –

Made up of weathered primary rock minerals.

The particles are irregular in outline.

They are large and so do not pack together easily.

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Air gets in very easily and water flows rapidly through it.

Silt –

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