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3 years ago

The gradient of a stream depends on its

1 answer:

4 0

The gradient of a stream ( or commonly knwon as path of the stream) depend on its :
- Slope of the land,
- Geologic Structures , as in its fractures and faults
- rock hardess
- And its water retention

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If the dehydration reaction of an alcohol is successful. What changes would be seen in the ir spectrum for the product compared

Bess [88]

If the dehydration reaction of an alcohol is successful. The changes would be seen in the IR spectrum for the product compared to the starting material are as,

The O-H and C-O band is disappear from stating material
The addition of a C-C double bond band in the product.

In dehydration reaction of alcohol ( O-H and C-O bond ) contain , the water molecule ( $H_{2}O$ ) is release from the reactant and C-C double bond is form which is known as alkene in the product .

The reactant and product have different structure. To determine the structure of the compound IR spectroscopy is used. In IR spectrum the peak corresponds to 3400-3600 cm is missing in the product of dehydration reaction of an alcohol. It means O-H band is disappear from stating material.

learn about IR SPECTRUM

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4 0

2 years ago

Magnesium chloride is an example of an ionic compound, which is a compound composed of what?

Fofino [41]

Magnesium chloride is an example of an ionic compound which is a compound composed of ?

Magnesium chloride is a compound which is composed of positive and negative ions. I hope this helps you :)

8 0

3 years ago

What is the molality of a 13.82% by mass glucose solution? the molar mass of c6h12o6 is 180.16 g/mol?

FrozenT [24]

13.82 g / 180.16 g/mol = .07671 moles
.07671 moles / (86.18 g / 1000 g/kg) = .8901 molal

Let me know if you have any further questions!

5 0

3 years ago

Read 2 more answers

What does the enthalpy of reaction measure?

Gnesinka [82]

The heat released/absorbed by a reaction that occurs at constant pressure.

Hope this helped :)

7 0

3 years ago

Read 2 more answers

Calculate the mass % of K in potassium phosphate

Blizzard [7]

Answer:

$\large \boxed{\mathbf{1. \, \,55.26 \, \%; \, \,2. \, \,30.15 \, \% }}$

Explanation:

1. Mass percent of K

$\begin{array}{cccr}\mathbf{Atoms} & \textbf{Contribution} & & \textbf{Subtotal}\\\text{3K} & 3 \times 39.10 & = & 117.30\\\text{1P} & 1 \times 30.97 & = & 30.97\\\text{4O} & 4 \times 16.00 & = &64.00\\& \text{TOTAL} & = & \mathbf{212.27}\\\end{array}$

$\text{Percent K} = \dfrac{\text{117.30 g}}{\text{212.27 g}} \times \, 100\% = \mathbf{55.26 \, \%}\\\text{The percent by mass of potassium is $\large \boxed{\mathbf{55.26 \, \% }}$}$

2. Mass percent of O

$\text{Percent O} = \dfrac{\text{64.00 g}}{\text{212.27 g}} \times \, 100\% = \mathbf{30.15 \, \%}\\\text{The percent by mass of oxygen is $\large \boxed{\mathbf{30.15 \, \% }}$}$

6 0

3 years ago