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3 years ago

Does it take faster for sugar or color (tint) to dissolve in water and WHY?

Chemistry

1 answer:

Ne4ueva [31]3 years ago

3 0

Answer:that sugar dissolves faster in a warm liquid than in a cool

Explanation:

Molecular diffusion, often simply called diffusion, is the thermal motion of all (liquid or gas) particles at temperatures above absolute zero. The rate of this movement is a function of temperature, viscosity of the fluid and the size (mass) of the particles. Diffusion explains the net flux of molecules from a region of higher ... Diffusion of solvents,

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Which step is part of a scientific investigation?

Elis [28]

Steps of a scientific investigation include identifying a research question or problem, forming a hypothesis, gathering evidence, analyzing evidence, deciding whether the evidence supports the hypothesis, drawing conclusions, and communicating the results.

3 0

3 years ago

An ultraviolet ray of light has a wavelength of 1.5x10^-8 m. What is the ray's<br> frequency?

frutty [35]

Answer:

2 E16 Hz or 2 * 10^16 Hz

Explanation:

The formula to determine frequency is f = c / λ.

f = frequency

c = speed of light

λ = wavelength

f = 3E8 / 1.5E-8

f = 2E16

This makes sense because UV light exists roughly

between 8E14 Hz and 3E16 Hz ----- 2E16 Hz falls in that range

8 0

3 years ago

A group of students created a model showing a type of matter which of the following discribes what is shows by the model?

Lady_Fox [76]

Answer:

liquid

Explanation:

6 0

3 years ago

The product of nuclear ___ is several nuclei

garri49 [273]

I think Its "fission"

3 0

3 years ago

If a sample of gas is located 10.2 cm from the injection point and the chart speed is 0.5 cm/min, what is the retention time?

Archy [21]

Answer : The retention time is, 20 min

Explanation :

Retention time : It is defined as the amount of time a compound spends on the column after it has been injected.

Formula of retention time is:

$\text{Retention time}=\frac{\text{Distance from injection point to center of peaks}}{\text{Chart recorded speed}}$

Given:

Distance from injection point to center of peaks = 10 cm

Chart recorded speed = 0.5 cm/min

Now put all the given values in the above formula, we get:

$\text{Retention time}=\frac{10cm}{0.5cm/min}$

Retention time = 20 min

Thus, the retention time is, 20 min

3 0

4 years ago