What are some uses of metals?

Answers

Answer 1

Answer: They are used to make plane bodies.
Some are used for electrical wires eg copper because they are good conductors of electricity.
Used in building materials.
used to make jewelry eg gold and silver

Answer 2

Answer: Copper and aluminium wire are used to carry electric current.Copper, aluminium and iron are used to make domestic utensils and factory equipment.Thin foils of aluminium are used for wrapping cigarettes, medicines, confectionery, etc.Aluminium is used for making angles, doors, pipes, etc. which are used in the construction of houses.Metals such as sodium, titanium, zirconium, etc. are used in generation of nuclear energy and in space science projects.Mercury is used in thermometers.Magnesium metal is used as a strong reducing agent to prepare other metals.Gold and silver metals are used to make jewellery.Thin foils of silver and gold are used to decorate sweets.Uranium metal is used to generate nuclear energy.Titanium metal is very hard, resistant to corrosion, light, has high melting point and is good conductor of heat and electricity. Because of its unique and useful properties titanium is sometimes called ‘the wonder metal’.

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A supervisor spends a day inspecting a nuclear plant for potential radiation leaks. She has to move throughout the plant inspecting all the equipment and machinery. She needs to take two different radiation detection devices to help ensure her safety and to find radiation leaks. She needs the results immediately. Which two devices would be the best choices for the task?

Answers

In order to immediately detect traces and signs of radiation leaks in the nuclear power plant, the supervisor must use two devices that readily give its results. These devices could be a Geiger-Mueller tube or Geiger counter and a Personal Radiation Detector (PRD). A PRD has a very fast response time, while a Geiger counter also displays results real time.

Answer:

Geiger-Mueller tube or Geiger counter and a Personal Radiation Detector (PRD).

Explanation:

Is zinc coMpund Plz help me

Answers

Answer:

it is indeed a compound

Explanation:

Zinc is NOT a compound.

A compound contains two or more elements or molecules like H2O. Where H is 1 element and Oxygen is another and together they make a compound.

Zinc itself is a single molecule (or element) and can be used in a compound like ZnO (zinc oxide)

the empirical formula of a compound is NO2. it's molecular mass is 92g/mol. What is its molecular formula?

Answers

The molecular formula:
$N_x(O_2)_x$

$M_(N_x(O_2)_x)=x * M_N + x * 2 * M_O \n \nm_N=14 \ (g)/(mol) \nm_O=16 \ (g)/(mol) \n M_(N_x(O_2)_x)=92 \ (g)/(mol) \n \n92=x * 14+x * 2 * 16 \n92=14x+32x \n92=46x \n(92)/(46)=x \nx=2 \n \nN_2(O_2)_2 \Rightarrow N_2O_4$

The molecular formula is N₂O₄.

the wind pushes a paper cup along the sand at a beach. the cup has a mass of 0.025kg and accelerates at a rate of 5m/s2 how much force is the wind exerting on the cup

Answers

Mass of the paper cup = 0.025 kg
Rate of acceleration of the cup due to force of wind = 5 m/s^2
We already know that
Force = Mass * Acceleration
So Force exerted by the wind on the cup = 0.025 * 5 kg m/s^2
= 0.125 Newton
So the force exerted by the wind on the paper cup is 0.125 newton.I hope this is the answer thatyou wanted and the process of doing such problems is clear to you.

If you have a crush and they are available but you don't know weather to ask them or just leave it alone which one to do

Answers

Answer: If you have a crush on someone, it can be difficult to decide whether to express your feelings or not. There are no hard and fast rules, but here are some things to consider:

Assess your feelings: Before you decide to act on your crush, it’s important to take some time to reflect on your feelings. Ask yourself why you like this person and what you hope to gain from expressing your feelings. Be honest with yourself about your motivations and expectations.

Consider the risks: While expressing your feelings can be exciting, it can also be risky. You may face rejection or damage an existing friendship. Think about how you would feel if the other person doesn’t feel the same way.

Think about timing: Timing is important when it comes to expressing your feelings. You don’t want to catch the other person off guard or put them in an awkward position. Consider whether this is a good time for both of you.

Be respectful: If you do decide to express your feelings, make sure you do so in a respectful way. Be honest but also considerate of the other person’s feelings.

Be prepared for any outcome: No matter what happens, be prepared for any outcome. If the other person doesn’t feel the same way, try not to take it personally. Remember that there are plenty of other people out there who would be lucky to have you in their life.

I hope this helps! Let me know if there’s anything else I can do for you.

Answer: Ask them

Explanation:

If you miss your chance you might regret it.

The law of conservation of energy states that when one form of energy is converted into another,a. energy is destroyed in the process.
b. no energy is destroyed in the process.
c. energy is created in the process.
d. some amount of energy cannot be accounted for.

Answers

Energy of a system is conserved always but it can be converted to other forms . By this conversion no energy is destroying or creating. Thus, option b is correct.

What law of conservation of energy?

According to the law of conservation of energy, energy can neither be created nor be destroyed. However, it can be transformed into other forms. For instance, in light bulb, electrical energy is converting to light energy and heat energy.

Similarly, in fan and motors, electrical energy is converting to mechanical energy and in thermal power plants, thermal energy is converting to electrical energy.

In all of these cases, no amount of energy is destroying or creating. The already existing energy is transforming to various other forms.

Similarly when tow objects in contact exchange energy by mixing or any force, the energy lost from a system will be equal to the energy gained by the second system. Therefore, the total energy is conserved.

To find more on energy transformation, refer here:

brainly.com/question/29102331

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The law of conservation of energy states that when one form of energy is converted into another, no energy is destroyed in the process. The answer is letter B. Energy cannot be created nor destroyed, it can only be converted from one form into the other.

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