Convert 1.50μm2 to square meters

Answers

Answer 1

Answer: 1 micro meter = $10^(-6) meters$
1 μm ^2 = 1 μm*1μm = $10^(-6) *10^(-6) = 10^(-12)$ meters

1.5 μm^2 = 1.5 * $10^(-12)$ meters

μm^2 is a unit for surface. First you want to convert μm to meters which is unit for length and if you multiply units for length you get unit for surface.

Related Questions

A chemist dilutes a 1.0 mL sample of 2.0 M KNO3 by adding water to it. If the concentration of the solution that is obtained is 0.0080 M, what is its volume?Use: Mi Vi = Mf VfA.) 125 mLB.) 250 mLC.) 500 mLD.) 2,000 mL
How would a flood be a limitation for synthetic polymers that rely on natural rubber in its production?
What happens to the concentration of a product over the course of a reaction
Any substance composed of two or more elements that are chemically combined in a fixed proportion is(1) an isomer (3) a solution(2) an isotope (4) a compound
Of the choices below, which is true for the relationship shown? a. It is Ka for the acid H3P2O72−. b. It is Kb for the acid H3P2O72−. c. It is Ka for the acid H2P2O72−. d. It is Kb for the acid H2P2O7

How is the Maunder minimum related to climate?A. Changes in the Earth’s tilt correlate to changes in climate.B. The Maunder minimum is unrelated to climate.C. Changes in the Earth’s orbit correlate to changes in climate.D. Unusually low sunspot activity correlates to unusually cold climatic events.

Answers

I think the correct answer is D. The Maunder minimum is related to climate because it correlates to unusually cold climatic events. This is an event that happened sterting in 1645 to 1715 where very few sunspots were observed. It is also known as prolonged sunspot minimum. During this event, Europe and North America experienced colder temperature than what was usual.

What is the three-dimensional shape of the molecule with this Lewis structure?

Answers

Trigonal planar is the three-dimensional shape of the molecule with this Lewis structure. Hence, option C is correct.

What is an electron dot structure?

Lewis dot structures also called electron dot structures are diagrams that describe the chemical bonding between atoms in a molecule.

According to the Lewis structure of formic acid, the carbon atom is a central atom and it has three bond pairs without any lone pair of electrons. In VSEPR theory, the double bond is treated as one bond pair for the prediction of the shape of the molecule.

Hence, formic acid will have a trigonal planar geometry around the carbon atom and tetrahedral geometry around oxygen atom as it has two lone pair and two bond pairs

Hence, option B is correct.

Learn more about electron dot structure here:

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trigonal planar which is answer choice c

1. A tuning fork has a frequency of 280 hertz, and the wavelength of the sound produced is 1.5 meters. Calculate the velocity of the wave. - Answer:
2. A wave is moving toward shore with a velocity of 5.0 m/s. If its frequency is 2.5 hertz, what is the wavelength?
- Answer:
3. A jump rope is shaken producing a wave with a wavelength of 0.5 m. with the crest of the wave passing a certain point 7 times per second. What is the velocity of the wave?
- Answer:
4. The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength?
- Answer:
5. A microwave has a frequency of 4,255 Hz. and a wavelength of 0.05 m. What is the microwave’s velocity?
- Answer:
6. A sound wave travels with a velocity of 460 m/s and has a frequency of 820 Hz. What is its wavelength?
- Answer:
7. A wave at sea travels with a velocity of 32 m/s. If it has a wavelength of 8 m. what is its frequency?
- Answer:
8. What is the frequency of a wave that has a velocity of 21.3 m/s and a wavelength of 7.8 m?
- Answer:

Answers

Based on the calculation, the velocity of this wave is equal to 420 m/s.

Given the following data:

Frequency of turning fork = 280 hertz.

Wavelength of sound produced = 1.5 meters.

How to calculate the velocity of a wave?

Mathematically, the velocity of a wave is calculated by using this formula:

V = λF

Where:

F is the frequency of a wave.

V is the velocity of a wave.

λ is the wavelength of a wave.

Substituting the given parameters into the formula, we have;

V = 1.5 × 280

V = 420 m/s.

Note: You should use the above formula to solve the other questions.

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velocity = frequency x wavelength. 1) v = 280 x 1.5 = 420m/s 2) w = v / f = 5 / 2.5 = 2m

After 32 days, 5 milligrams of an 80-milligram sample of a radioactive isotope remains unchanged. What is the half-life of this element?(1) 8 days (3) 16 days
(2) 2 days (4) 4 days

Answers

Unstable heavy atoms will undergo radioactive decay to produce stable species. The half life time of the isotope which undergone a decay of 75 mg in 32 days is 18 days.

What is half life time?

The half life time of a radioactive sample is the time taken to reduce it to half of the initial amount by decay.

The heavy unstable material have very short half life and they will easily undergoes radioactive decay by emitting certain radiation.

Radioactive decay is a firs order reaction and have the equation to find the radioactive constant as follows:

$\lambda = (1)/(t) log([Ni])/([Nt])$

Where, t is the time of decay and Ni and Nt be the initial and final amount respectively.

It is given that 5 mg is remaining out of 80 mg after 32 days. Thus the radioactive constant is calculated as follows:

$\lambda = (1)/(32 days ) log (80)/(5) \n \n = 0.0376. days ^(-1)$

Now the half life time of the decay is calculated as below:

t(1/2) = 0.693 /decay constant

= 0.693/0.0376

= 18 days

Therefore, the half life time of the isotope which undergone a decay of 75 mg in 32 days is 18 days.

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$m=m_0 * ((1)/(2))^(t)/(t_(1/2))$
m - the mass that remains unchanged, m₀ - the inital mass, t - the time of decay, t1⁄2 - the half-life

$t=32 \ days \n m=5 \ mg \n m_0 = 80 \ mg \n \n 5 = 80 * ((1)/(2))^(32)/(t_(1/2)) \ \ \ \ \ \ \ |/ 80 \n (5)/(80)= ((1)/(2))^(32)/(t_(1/2)) \n (1)/(16)=((1)/(2))^(32)/(t_(1/2)) \n ((1)/(2))^4=((1)/(2))^(32)/(t_(1/2)) \n 4=(32)/(t_(1/2)) \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |* t_(1/2) \n 4t_(1/2)=32 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |/ 4 \n t_(1/2)=8$

The half-life is (1) 8 days.

How many protons are in an Fe2+ ion?

Answers

Iron (Fe) has an atomic number of 26, so Fe2+ has 52 protons and 51 electrons

PLEASE HELPWhich conducts heat more efficiently- a solid, liquid or gas? Why is that (explain on molecular level)?

Answers

Answer

solids conduct heat more efficiently ! basically their particles are more tightly packed and stay in that position, so the heat transfer by collision allows for the best conduction

Explanation:

hope this helps ! :)

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During carbon fixation, what type of molecules are the carbon atoms in carbon dioxide rearranged into?

An unknown substance turns blue litmus paper to red. Which additional test could be used to confirm the substance’s identity? It should turn phenolphthalein from colorless to pink because it is a base. It should turn phenolphthalein from pink to colorless because it is a base. It should turn methyl orange to orange because it is an acid. It should turn methyl orange to red because it is an acid.

Calculate the energy of the lasers in a Blu-ray player, which emit at a wavelength of 4.05x10−7 m.