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babymother [125]
2 years ago
15

Is density qualitative or quantitative poetry?

Chemistry
2 answers:
just olya [345]2 years ago
7 0

Answer:

Density. What is DENSITY? DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume.

Explanation:

have a nice weekend

Ksju [112]2 years ago
3 0
The tricky bit with color is that we don't see frequency along a single band. Rather, there are 3 bands (RGB) that get added together (plus a fourth input for brightness as well as many sub-processes that deal with textures and patterns). Light of a single frequency excites one band a lot, the other a little, and the last almost none. This sum is what we percieve. Some people are missing a band (usually blue or green) causing color blindness. Either way, a rainbow looks continuous but by mixing light there are many ways to generate the same color. It's all a bit dirty.

The other stuff seems to confuse the idea of error, eg you seem to think "quantity + error = quality". But in such cases, error is usually known (and compensated for) turning the equation into the sum of two 'knowns', leading to another 'known'.
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Answer:

Explanation:

3.12

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Individual measurements introduce errors that may be large or small depending on the quality of the tools and processes used. Sc
kirill [66]

Answer:

B. accepted value x 0.1

Explanation:

in the equation provided

Percentage Error=\frac{Error}{AcceptedValue} X100

Maximum allowed value of percentage error = 10%

put this value in the equation in stead of percentage error we get,

10 = \frac{error}{AcceptedValue} X100\\ \frac{10}{100} =\frac{error}{AcceptedValue}\\.1=\frac{error}{AcceptedValue}\\error = .1 X Accepted Value

so maximum error = .1 x accepted value

10 % percentage error means the experimental value has 10 % error compared to accepted value.so error will be 10 % of the accepted value

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8 0
3 years ago
2. Which equation shows the relationship between the Kelvin and Celsius temperature scales?
givi [52]

Answer: I think the right answer is c

7 0
2 years ago
Which equation will you use to calculate the volume of a 5.00 liter sample of air at 50°C when it is warmed to 100°C at constant
Alexandra [31]
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6 0
3 years ago
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HELPP
slamgirl [31]

Answer:

In the previous section, we discussed the relationship between the bulk mass of a substance and the number of atoms or molecules it contains (moles). Given the chemical formula of the substance, we were able to determine the amount of the substance (moles) from its mass, and vice versa. But what if the chemical formula of a substance is unknown? In this section, we will explore how to apply these very same principles in order to derive the chemical formulas of unknown substances from experimental mass measurements.

Explanation:

tally. The results of these measurements permit the calculation of the compound’s percent composition, defined as the percentage by mass of each element in the compound. For example, consider a gaseous compound composed solely of carbon and hydrogen. The percent composition of this compound could be represented as follows:

\displaystyle \%\text{H}=\frac{\text{mass H}}{\text{mass compound}}\times 100\%%H=

mass compound

mass H

×100%

\displaystyle \%\text{C}=\frac{\text{mass C}}{\text{mass compound}}\times 100\%%C=

mass compound

mass C

×100%

If analysis of a 10.0-g sample of this gas showed it to contain 2.5 g H and 7.5 g C, the percent composition would be calculated to be 25% H and 75% C:

\displaystyle \%\text{H}=\frac{2.5\text{g H}}{10.0\text{g compound}}\times 100\%=25\%%H=

10.0g compound

2.5g H

×100%=25%

\displaystyle \%\text{C}=\frac{7.5\text{g C}}{10.0\text{g compound}}\times 100\%=75\%%C=

10.0g compound

7.5g C

×100%=75%

7 0
2 years ago
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