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3 years ago

What percentage of silty clay loam is slit?

Chemistry

1 answer:

Serggg [28]3 years ago

6 0

Answer:

sicl - Silty clay loam: 27 to 40 percent clay and less than 20 percent sand. sc - Sandy clay: 35 percent or more clay and 45 percent or more sand. sic - Silty clay: 40 percent or more clay and 40 percent or more silt. c - Clay: 40 percent or more clay, less than 45 percent sand, and less than 40 percent silt.

I hope that helps somewhat, sorry

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What is the mass sample of 0.0500 moles of zinc chloride ?

vlabodo [156]

Answer:

6.82g

0.59moles

Explanation:

1. What is the mass sample of 0.0500 moles of zinc chloride ?

Given parameters:

Number of moles ZnCl₂ = 0.05moles

Unknown:

Mass of the sample = ?

Solution:

To find the mass of a substance using the number of moles, it would be pertinent to understand what mole is.

A mole is a substance that contains the avogadro's number of particles.

It relates to the mass using the expression below;

Mass of a substance = number of moles x molar mass

Molar mass of ZnCl₂;

Atomic mass of Zn = 65.4g/mol

Cl = 35.5g/mol

Molar mass = 65.4 + 2(35.5) = 136.4g/mole

Mass of a substance = 0.05 x 136.4 = 6.82g

2. How many moles of potassium sulfide are in a 65.50g sample?

Given parameters:

Mass of K₂S = 65.5g

Unknown:

Number of moles = ?

Solution:

The number of moles of any substance is related to mass using the expression below;

Number of moles = $\frac{mass}{molar mass}$

Molar mass of K₂S = 2(39) + 32 = 110g/mol

Number of moles = $\frac{65.5}{110}$ = 0.59moles

8 0

3 years ago

What does applied chemistry have to do with making ice cream?

Lapatulllka [165]

Well you have to mix chemicals which caused a chemical reaction. When you mix salt and ice the freezing point of liquid changes. the ice gets colder

6 0

3 years ago

Read 2 more answers

The small 2 next to Nitrogen is called the ____.

klasskru [66]

1. Subscript is below
2. Coefficient large 2 indicates the number of moles
3. Atoms
1/2 O2 + H2 —> H2O
It’s the atoms that balance on each side
Notes that 1/2 is the coefficient and 2 is the subscript in H2 and H2O

3 0

3 years ago

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If an experiment with 10.2 g barium chloride produced 14.5 g silver chloride, calculate thr experimental mole ratio of silver ch

Leni [432]

The experimental mole ratio of silver chloride to barium chloride is calculated as below

fin the mole of each compound

mole= mass/molar mass
moles of AgCl = 14.5g/142.5 g/mol = 0.102 moles of AgCl
moles of BaCl2 = 10.2 g/208 g/mol = 0.049 moles of BaCl2

find the mole ratio by dividing each mole with the smallest mole(0.049)

AgCl= 0.102/0.049 =2
BaCl2 = 0.049/0.049 =1
therefore the mole ratio AgCl to BaCl2 is 2 :1

3 0

3 years ago

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A car travels 150 meters in 3.5 seconds what is its speed?

defon

Answer:

The solution is given below.

Explanation:

Speed = Distance(m)/Time(sec.)

Distance traveled = 150 m

Time taken = 3.5 seconds

Speed of car = 150/3.5 = 42.86 m/s

So the car traveled at a speed of 42.86 m/s.

6 0

3 years ago