What happens in this circuit if one of the light bulbs burns out?
1. The other light bulb will stay on but get dimmer
2. The battery will lose its charge and stop working
3. Both light bulbs will stop glowing
4. The other light bulb will stay on and glow brightly

Answer:

a current flows through the loop of wire.

Explanation: my answers were worded diffrently

A loop of wire turns between two permanent magnets in a generator and the effect of this motion is conversion of Mechanical energy transforms into electrical energy.

Generator is a device which is used to convert mechanical energy to electrical energy.

In generator between the two poles of magnet a loop of wire rotate by the mechanical force which produces magnetic field which in turn convert into the electric field.

Hence, option (c) is correct.

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Answer:

C₄H₁₀O + 6O₂ ⇒ 4CO₂ + 5H₂O

Explanation:

Match the amount of reactants and products on both sides of the equation.

Answer:

its A reduces stress :)))

Explanation:

According to Le Chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress.

Le Chatelier’s principle states that when a chemical equilibrium become imbalance by any change such as change in concentration, temperature, pressure etc. the system will reduces this stress by creating a new equilibrium  state.

By this principle, when temperature increases for an endothermic system, forward reaction will takes place more since the temperature is absorbed there.

Similarly, when the concentration of any reactant increases, the reaction will turn to that direction in  which that reactant is consumed more. If any loss the volume, then the equilibrium will shifts to that direction in which the that substance is produced.

Hence, the system will somehow manage the imbalance by reducing the stress occurred.

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Answer:

long wire, wide wire, more resistors

long wire, narrow wire, more resistors

Explanation:

longer wires have greater resistance. The longer the wire the greater the resistance.

The answer is Long wire, Narrow wire, more resistors

Evidence:

Answer:

This is balanced

Explanation:

Both sides contain 2 Ag 2 NO3 1 Ba and 2 Cl.

Answer:

a

Explanation:

relative formula mass of Ca(C2H3O2)2=158

% for Ca=25.3

% for C=30.4

% for H=3.8

% for O=40.5

Answer:

Choice a. The compound [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] contains approximately [tex]25.3\%\; \rm Ca[/tex], by mass, approximately [tex]30.4\%\; \rm C[/tex] by mass, approximately [tex]3.8\%\; \rm H[/tex] by mass, and approximately [tex]40.5\%\; \rm O[/tex] by mass.

Explanation:

Look up the relative atomic mass of these elements on a modern periodic table:

The relative atomic mass of an element gives the numerical value of the mass (in grams) of one mole of the atoms of this element. For example, the relative atomic mass of hydrogen is [tex]1.008[/tex]. Therefore, the mass of one mole of hydrogen atoms would be (approximately) [tex]1.008\; \rm g[/tex].

One mole of [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] formula units include:

Inside each mole of [tex]\rm (C_2H_3O_2)^{-}[/tex] ions, there are:

Therefore, that [tex]2\; \rm mol[/tex] of [tex]\rm (C_2H_3O_2)^{-}[/tex] ions in one mole of [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] formula units would include:

In summary, each mole of [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] formula units would contain:

Calculate the mass of these atoms using their relative atomic mass data.

For example, the mass of one mole of [tex]\rm H[/tex] atoms is (approximately) [tex]1.008\; \rm g[/tex] because the relative atomic mass of hydrogen is [tex]1.008[/tex]. Therefore, the mass of that [tex]6\; \rm mol[/tex] of hydrogen atoms would be approximately:

[tex]6\; \rm mol \times 1.008\; \rm g \cdot mol^{-1} = 6.048\; \rm g[/tex].

Similarly, calculate the mass of the other three elements in one mole of [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] formula units:

The sum of these masses is [tex]158.166\; \rm g[/tex].

In other words, the mass of one mole of [tex]\rm Ca(C_2 H_3 O_2)_2[/tex] formula units is (approximately) [tex]158.166\; \rm g[/tex]. Approximately [tex]40.078\; \rm g[/tex] of that is [tex]\rm Ca[/tex]. Therefore, the percentage of [tex]\rm Ca\![/tex] by mass in [tex]\rm Ca(C_2 H_3 O_2)_2\![/tex] would be approximately:

[tex]\begin{aligned}&100\%\times \frac{40.078\; \rm g}{158.166\; \rm g} \quad \genfrac{}{}{0pt}{}{\leftarrow\text{mass of $\mathrm{Ca}$ in $\mathrm{Ca(C_2 H_3 O_2)_2}$}}{\leftarrow\text{mass of $\mathrm{Ca(C_2 H_3 O_2)_2}$}}\\ & \approx 25.3\% \end{aligned}[/tex].

In other words, [tex]\rm Ca[/tex] accounts for approximately [tex]25.3\%[/tex] of the mass of [tex]\rm Ca(C_2 H_3 O_2)_2\![/tex].

In a similar way, calculate the percentage of the other three elements by mass.

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{5.66 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{5.66}{6.02} \\ = 0.940199...[/tex]

We have the final answer as

Hope this helps you

Answer:

The time you will get to Atlantic City is 3 pm

Explanation:

Given;

speed limit, v = 50 km/h

distance to be traveled, d = 150km

The time of the motion is given as;

time = distance / speed

t = (150 km) / (50 km/h)

t = 3 hours

Thus, if you leave your home at noon, the time you will get to Atlantic City is given as;

time to get home = 12 pm + 3hours = 3 pm

Therefore, the time you will get to Atlantic City is 3 pm

Explanation:

Percentage yield = (278/365) * 100% = 76.16%.

Answer:

[tex]\boxed {\boxed {\sf 76.2 \% }}[/tex]

Explanation:

A percent yield helps measure how successful or precise a reaction was. It is ratio of measured yield to theoretical yield as a percent. The formula is:

[tex]percent \ yield=\frac{actual \ yield}{theoretical \ yield } *100[/tex]

For this reaction, the measured/actual yield was 278 grams, while the theoretical yield was 365 grams.

[tex]actual = 278 \ g \\\theoretical= 365 \ g[/tex]

Substitute the values into the formula.

[tex]percent \ yield =\frac{278 \ g}{365 \ g} *100[/tex]

Divide first. The grams (g) will cancel out.

[tex]percent \ yield =0.76164383561*100[/tex]

Multiply.

[tex]percent \ yield=76.1643835616[/tex]

The original measurements both had 3 significant figures, so we should round our percent yield to 3 sig figs. In this case, that is the tenths place.

The 6 in the tenth place tells us to round the 1 up to a 2.

[tex]percent \ yield \approx 76.2[/tex]

The percent yield is about 76.2 %

Answer:

B

Explanation:

Iron becomes liquid when we heat it to a temperature of 1535° C this is it's melting point. If we further heat the liquid to 3,000° C it boils; iron is a gas above this temperature.

Answer:

They each have the same number of protons.

Explanation:

Answer:

They each have the same number of protons

Explanation:

All uranium isotopes have 92 protons in their nucleus. However, they differ in the number of neutrons in the nucleus, hence this also translates to varying mass numbers (which is the sum of neutrons and protons in the nucleus). The most common isotopes of uranium are; U-238, U-235, and U-234

Answer:

According to Bronsted-lowry concept  an acid is a hydrogen donnor and a base is a hydrogen acceptor.

Explanation:

Answer:

about 16

Explanation:

its 20 - ( approximately 5)

= approximately 16

Answer:

It should be (C) about 12cm

Answer:

Mass of water = 0.33 Kg

Explanation:

Given data:

Mass of water = ?

Mass of glucose = 14.5 g

molality of solution = 0.24 m

Solution:

Number of moles of glucose:

Number of moles = mass/molar mass

Number of moles = 14.5 g/ 180.156 g/mol

Number of moles = 0.08 mol

Mass of water:

Molality = number of moles of solute / Kg of solvent

0.24 m = 0.08 mol / Kg of solvent

Kg of solvent =  0.08 mol / 0.24 m

Kg of solvent = 0.33 Kg

Answer:

The flocculation basin often has a number of compartments with decreasing mixing speeds as the water advances through the basin. ... This compartmentalized chamber allows increasingly larger floes to form without being broken apart by the mixing blades.

Answer:

B)They are both types of energy.

Explanation:

Answer:

they both travel easily through wood

Explanation:

i don't want your rbx i just wanna help you:)

Answer:

Fluids can flow because their molecular structure is different. Instead of being tightly packed, like a solid, there are fewer molecules per unit in a liquid than a solid. This gives the molecules of a liquid space to move around, and it flows because liquids take the shape of their container(s). These molecules usually tend to bump into each other and this causes the liquid to move as well

Answer:

Because the particles don't move, solids have a definite shape and volume, and can't flow. LIQUIDS - This means that liquid particles are further apart and can move about more easily. Since the particles can move, the liquid can flow and take the shape of its container.

Explanation:

hope this helps

Answer:

The produce large circular currents in all the ocean basins. Currents, The North Equatorial Current, the Gulf Stream, the North Atlantic Current, and the Canary Current.

Explanation:

Answer:

in left direction

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Answer:

left

Explanation:

the force pulling the object is greater on the left than the right and therefore the object will be pulled to the left

The sample here is a compound. The correct option is c.

A chemical compound is a substance made up of many identical molecules that contain atoms from more than one chemical element and are held together by chemical bonds.

A molecule made up of only one element's atoms is thus not a compound.

The anode undergoes oxidation, while the cathode undergoes reduction. The species being oxidized provides the electrons.

An electrode in an electrochemical cell is referred to as an anode or a cathode depending on the direction of electron flow.

The electrode reacts with the electrolyte at the anode, producing electrons.

These electrons build up at the anode. Meanwhile, another chemical reaction occurs at the cathode, allowing that electrode to accept electrons.

Thus, the correct option is c.

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Answer:

a.) A starch sample turns blue when introduced to iodine

Explanation:

A is a chemical change whereas the other answers would be physical changes.

The chemical property has been the turning of the iodine blue with starch introduction. Thus, option A is correct.

The substance properties can be differentiated as Physical properties and chemical properties. Physical properties can be defined as the properties that do not lead to the change in the chemical composition of the compound, For example, electrical conductivity, malleability, density, etc.

The properties of the compound that have been led to the change in the chemical composition of the compound have been termed chemical properties. For example. burning, reduction, etc.

Since the starch sample has been reacted with iodine there has been a chemical change that leads to the product of blue color. Thus, the starch turning iodine blue has been the chemical property. Thus, option A is correct.

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Nuclear fusion reactions release high energy and required tremendous temperature of nuclear reactors is the main reason for not used to generate electricity.

Nuclear reactions are those reactions which are taking place in the nucleus of any unstable atom and produces energy.

As in the question it is given that nuclear fusion reactions releases more energy and less wastage, but this energy are releases in the tremendous amount which can be proved harmful for the environment and the humans. To carry out this reaction we have to maintain the very high temperature of nuclear reactors of about 6 times greater than sun's temperature, which is not possible manually.

Hence, high temperature of nuclear reactors and high amount of energy released is the main reason.

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Answer:

a

Explanation:

Chemical then thermal because the carbon emissions produce heat

Then kinetic because there is energy transfer then electric because that's the finished result