Can someone please answer this, ill give you brainliest Would be very appreciated.

The mass of calcium phosphate the reaction can produce is 6.076 grams.

Mass is a numerical measure of inertia, which is a basic feature of all matter. It is, in effect, a body of matter's resistance to a change in speed or position caused by the application of a force.

In the International System of Units (SI), the kilogram is the unit of mass.

Given;

Mass of calcium nitrate (Ca(NO₃)₂) = 96.1 g

Mass of calcium phosphate=?

The chemical equation is found as;

3Ca(NO₃)₂ + 2Na₃PO₄ → 6NaNO₃ + Ca₃(PO4)₂

3 moles of Ca(NO₃)₂ produces 1 mole of Ca₃(PO4)molar mass of calcium phosphate is 164 g/mol

Moles are found as the ratio of the mass of the compound and its molar mass. Moles of Ca(NO₃)₂ is n.

n = 96.1/164 = 0.5859 moles

Moles of Ca3(PO4)2 produced ;

N=0.0589 ×(1/3) = 0.0196 moles

The molar mass of calcium phosphate is 310 g/mol and the mass of calcium phosphate produced will be;

M=0.0196×310

M = 6.076 g

Hence,the mass of calcium phosphate the reaction can produce is 6.076 grams.

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Answer:

60 000 J

Explanation:

The PE will be converted to KE entirely (if the lowest point is ground level)

Answer:

yes bc we are wasting gas and this will help use less

Explanation:

A current-carrying wire of length 50 cm is positioned perpendicular to a uniform magnetic field. The magnetic field strength is 0.6 Tesla.

The magnetic field is the region of space where an object experiences a magnetic force as it enters the field.

Given is the wire of length 50 cm = 0.5 m and the current is 10.0 A. There is a resultant force of 3.0 N on the wire due to the interaction of the current and field.

The relation between magnetic field strength and current is

F = ILB

Substituting 50 for L, 10 for I and 3 for F, we get the magnetic field strength B.

3 = 10 × 0.5 × B

B= 0.6 Tesla

Therefore, the magnetic field strength is 0.6 Tesla.

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Answer:

45 times higher

Explanation:

hope this helps

Answer:

The background extinction rate is the average rate at which species become extinct over geological time, usually estimated in millions of years. The actual extinction rate refers to the rate at which species are currently going extinct.

Based on scientific studies, the actual extinction rate over the past 400 years is significantly higher than the background extinction rate.

The correct answer is A. 45 times higher.

Explanation:

Answer:

Particle radiation

Explanation:

nuclear process is in atom nucleas maybe emit the electron ,neutrino or anti-neutrino

Answer:

c = λ f

λ = c / f

λ = 3E8 / 1 = 3.00E8 m wavelength of 1 hertz

λ = 3E8 / 1E5 = 3000 m     wavelength of 100,000 hertz

Answer:

A.

Explanation:

The awnser is A because air is made of a combination of compounds making it not a pure substance. The rest are pure substances.

Answer:

The answer is Human beings

Answer:

Respiration

Explanation:

because the role of the respiratory system is to inhale oxygen and exhale carbon dioxide were by the cells of the body use oxygen to perform certain functions that keeps us alive and the waste products created by our body cells after they've performed these functions is regarded as carbon dioxide.

If Gaia's photometric instrument broke down. Scientists will not able to measure the electromagnetic radiation.

Electromagnetic radiation is a type of energy that is transmitted in incident photons as both magnetic and electric waves.

Electromagnetic radiation has a spectrum with varying wavelengths and frequencies, which gives it different properties.

A device that detects the intensity of electromagnetic radiation is called as the photometric instrument.

Hence,scientists will not able to measure the electromagnetic radiation.

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Answer:

it creates a gas called carbon dioxide. The gas begins to expand in the bottle and starts to inflate the balloon

Explanation:

Why does this happen? well, The faster-moving particles inside the bottle start to move faster and faster and soon they expand to fill the balloon.

The lifetime of the neutron will be t=40 minutes when the neutron is moving at a speed of 936 c.

when neutrons are free and floating alone outside of an atom, they start to decay into protons and other particles.The formula for the life of the neutron will be given by:

[tex]t=\dfrac{\Delta t_o}{\sqrt{1-\dfrac{v^2}{c^2}}}[/tex]

Here

t= Lifetime

to=Average life

v= velocity

c=speed of light

Since the average life of the neutron is about 14 minutes or 840 seconds.

Velocity =0.936c

By putting the values in the question

[tex]t=\dfrac{840}{\sqrt{1-\dfrac{(0.936c)^2}{c^2}}}[/tex]

[tex]t=\dfrac{840}{\sqrt{0.123}}[/tex]

[tex]t=\dfrac{840}{0.35}=2400\ \ sec\\\\[/tex]

Hence the lifetime of the neutron will be t=40 minutes when the neutron is moving at a speed of 936 c.

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Q=mcΔt

Q=14.6 x 10³ x 1.37 x (85-20)

Q=1.3 x 10⁶ J = 1.3 x 10³ kJ

The distance by which the spring is stretched when 4. 0 j of work are performed in stretching it with a spring constant (force constant) of 2500 n/m is 5.7 cm.

Work done of spring is the product of average force and the displacement. It can be given as,

[tex]W=\dfrac{1}{2}kx^2[/tex]

Here, k is the spring constant and x is the displacement.

The 4. 0 j of work are performed in stretching an ideal spring with a spring constant (force constant) of 2500 n/m. Thus,

[tex]W=4\text{ J}\\k=25000\text{ N/m}\\[/tex]

Put the values in the formula.

[tex]4=\dfrac{1}{2}(2500)(x)^2\\x^2=\dfrac{4\times2}{2500}\\x=\sqrt{0.0032}\\x=0.057 \text{m}\\x=5.7 \text{cm}[/tex]

Thus, the distance by which the spring is stretched when 4. 0 j of work are performed in stretching it with a spring constant (force constant) of 2500 n/m is 5.7 cm.

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Jim Crow laws was the legal measure which allowed whites in southern states to keep blacks from voting after reconstruction ended.

These were the state and local laws which enforced racial segregation in the Southern part of the United States.

Due to this laws, whites in southern states kept blacks from voting after reconstruction ended.

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A locomotive engine with a mad of 205000kg moving with 5m/s

Explanation:

[tex]from \: the \: options \: substitute \: the \: formulars \: for \: kinetic \: energy \\ for \: opton \: a \: ke = \frac{1}{2} mv {}^{2} = \frac{1}{2} \times 3500 \times 30 {}^{2} = 1575000 \\ for \: option \: b \: ke = \frac{1}{2} mv {}^{2} = \frac{1}{2} \times 73 \times 6 {}^{2} = 1314 \\ for \: option \: \: c = \frac{1}{2}mv {}^{2} = \frac{1}{2} \times 205000 \times 5 {}^{2} = 2562500 \\ for \: option \: d \: = \frac{1}{2}mv {}^{2} = \frac{1}{2} \times 0.5 \times(46.9) {}^{2} = 549.9025 \\ from \: the \: analysis \: above \: the \: options \: that \: has \: the \: highest \: kinetic \: energy \: is \: a \: locomotive \: engine \: with \: a \: mass \: of \: 205000kg \: moving \: with \: a \: velocity \: of \: 5 \frac{m}{s} [/tex]

Answer:

Graphically the path of an object will be linear; it looks like a straight line when it is in uniform motion.

Answer:

Explanation:

Science has come a long way in the last 150 years. We now have more powerful data analysis techniques, more sophisticated equipment for making observations and running experiments, and a much greater breadth and depth of scientific knowledge.

The energy levels are also called principal levels. The number of sublevels in the third energy level is three.

The Energy levels are at a fixed distance from the nucleus of an atom, where electrons are arranged in shells.

In the third energy shell, electrons are present. The third principal energy level has three sublevels, s, p and d.

The number of sublevels in the third energy level is three.

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The magnitude of the radial acceleration of pendulum is 25 rad/s²

Acceleration can be defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

The centripetal acceleration or radial acceleration for the pendulum is given by

a = v²/r

Given is the radius = cord length of pendulum =1m and the velocity v = 5m/s, then the acceleration will be

a = (5)² /1

a = 25 rad/s²

Thus, the radial acceleration is 25 rad/s²

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It is true that insurance is the defense for managing money because it ensures that your money is efficiently utilized even in your absence.

Insurance refers to a means of indemnity against a future occurrence of an uncertain event such as an accident, death, robbery etc.

Insurance is a way to protect one's assets from getting lost when faced with unforeseen circumstances.

For example;

Therefore, it is true that insurance is the defense for managing money because it ensures that your money is efficiently utilized even in your absence.

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The option 1,2,3 and 4 are matches with the option B,A,D,and C respectively. Oscillator, transmitting antenna, microphone, or modulator are the type of the radio transmission devices.

Microphone is a radio transmission devices picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.

The functions of the following radio transmission devices are as follows;

1. Oscillator- (B) Enables the waves produced by the antenna to “carry” the pattern of the sound waves picked up by the microphone.

2. Transmitting antenna-(A) Sends out radio waves having the same frequency as the current supplied by the oscillator.

3. Microphone-(D) Picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.

4. Modulator-(C) Converts a direct current into a high-frequency alternating current.

Hence, the option 1,2,3 and 4 are matches with the option B,A,D,and C respectively.

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A good example that will help to to tell mike what 37°c feels like is body temperature.

The average room temperature is typically around 20°C, or 68 degrees Fahrenheit.

The average body temperature is 98.6 Fahrenheit or 37 degrees Celsius.

Thus, a good example that will help to to tell mike what 37°c feels like is body temperature.

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Option A

Answer:

d) Calcium is malleable, Sulfur is not malleable.

Explanation:

Calcium is a metal and shows property of malleability. Sulfur is a non metal and it does not shows property of malleability. Hence, option (d) is the correct answer.

Answer:

C

Explanation:

There is a decrease in temperature and daylight and plants produce less food.

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The modifications that are implemented after Tacoma bridge disaster are added trusses and openings below road decks to decrease oscillations.

While marching, the natural frequency of the vibrations of marching soldiers matched up with the resonant frequency of the bridge. This resulted in the collapsing of the bridge in seconds.

Because of the disaster of the Tacoma Narrows Bridge, the bridge was strengthened by adding trusses as well as openings below road decks so as to decrease vibrations caused by running vehicles on the bridge.

Thus, the modifications that are implemented after Tacoma bridge disaster are added trusses and openings below road decks to decrease oscillations

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No that's not mechanical work done .

If displacement happens then whatever the direction be the work is done except nπ/2 values of theta

In that case the general formula W=Force×Distance can't be used

Then We have to include theta

Put Ø=90

No work done