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zysi [14]
2 years ago
14

What’s the difference of dawling paper and offset paper?

Chemistry
1 answer:
Karolina [17]2 years ago
6 0
Dowling paper also known as the “dao ling paper," was originally produced by the United States Dowling (Dowling), which is a kind of more advanced paper. The wood is the raw material of Dowling paper. According to the paper whether have luster or not, it is divided into rough dowling paper and smooth dowling paper. The formal name of Dowling paper is glazed paper or glazed printing paper, which is a special paper for glazed printing and also suitable for letterpress printing. Glazed printing paper is suitable for printing and making Monochrome or polychromatic book covers, more advanced text and the insert or pictures (such as various medical journals - China social medical journal), all kinds of colorful illustrated, map paper, Commercial paper or public welfare propaganda, color trademark and all kinds of packaging paper and so on. The glazed printing paper technology is complex, so the requirement of paper quality of printing paper is high. Glazed printing paper is made by  bleached chemical pulp, bamboo pulp, rag and straw pulp and it is also needed to add some padding (Talcum powder, clay,) and mucilage (chemical agent such as surface sizing agent ). It is made on   the long wire paper machine, and calender , finally form paper into storage.<span>
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An element (gas) used to make colorfully lit advertising signs
AleksAgata [21]
The correct answer is neon
4 0
3 years ago
Read 2 more answers
The pressure on 2.50 L of gas is changed from 4.5 atm to 2.2 atm. What is the new volume of gas?
swat32

Answer:

<h2>5.11 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{2.5 \times 4.5}{2.2}  =  \frac{11.25}{2.2}  \\  = 5.1136666...

We have the final answer as

<h3>5.11 L</h3>

Hope this helps you

8 0
3 years ago
What is the Sequence the different segments of the visible spectrum in order from shortest wavelength to
omeli [17]

Answer:The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.

Explanation:

5 0
2 years ago
According to the following reaction, how many grams of potassium sulfate will be formed upon the complete reaction of 23.8 grams
Alexxandr [17]

<u>Answer:</u> The mass of potassium sulfate that can be produced is 73.88 grams

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}     .....(1)

  • <u>For KOH:</u>

Given mass of KOH = 23.8 g

Molar mass of KOH = 56.1 g/mol

Putting values in equation 1, we get:

\text{Moles of KOH}=\frac{23.8g}{56.1g/mol}=0.424mol

The chemical equation for the reaction of KOH and potassium hydrogen sulfate follows:

KHSO_4+KOH\rightarrow K_2SO_4+H_2O

As, potassium hydrogen sulfate is present in excess. It is considered as an excess reagent.

KOH is considered as a limiting reagent because it limits the formation of product.

By Stoichiometry of the reaction:

1 mole of KOH produces 1 mole of potassium sulfate

So, 0.424 moles of KOH will produce = \frac{1}{1}\times 0.424=0.424moles of potassium sulfate

Now, calculating the mass of potassium sulfate from equation 1, we get:

Molar mass of potassium sulfate = 174.26 g/mol

Moles of potassium sulfate = 0.424 moles

Putting values in equation 1, we get:

0.424mol=\frac{\text{Mass of potassium sulfate}}{174.26g/mol}\\\\\text{Mass of potassium sulfate}=(0.424mol\times 174.26g/mol)=73.88g

Hence, the mass of potassium sulfate that can be produced is 73.88 grams

8 0
3 years ago
Give an example of experimental bias
ale4655 [162]

Answer:

chongus because he's the only good one

3 0
3 years ago
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