Which type of matter is composed or two or more elements that are chemically combined in a fixed proportion?

1 answer:

6 0

Hello.

When dealing with two or more elements in a fixed proportion, your answer is going to be "B.) Compound." The explanation is pretty basic when you narrow it down - think of it like the English version of a compound sentence; there are two independent clauses that have related ideas (such as this one, for example).

Let's use an example of a compound element, such as $H_{2}O$ , or Water.
This is a compound element that is composed of the two elements "Hydrogen" and "Oxygen" - for every 2 Hydrogen atoms there is one Oxygen atom.

I hope this helps!

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3. Your company makes 1000 boxes of 500 g baking soda per day.

inessss [21]

500,000 g of baking soda is present in 1000 boxes of 500 g baking soda boxes.

Answer:

Option C.

Explanation:

As 500 g of baking soda is taken in each box of that company. The total weight of baking soda in all the boxes can be determined by adding the weights of each box. This is possible only when the number of boxes is less. But if the number of boxes are large, then we can determine the total weight of baking soda by multiplying the number of boxes with the weight in each box.

So in this case, 1000 boxes are present and in that 500 g of baking soda are present in each box.

So total grams of baking soda will be 1000 * 500 = 5,00,000 g.

Thus, 500,000 g of baking soda is present in 1000 boxes of 500 g baking soda boxes.

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2 years ago

Which of the following pairs of reactants will react together to produce water (H2O) as one of the products?

Rainbow [258]

1) NaNO3 and H2O - no reaction , it is dissolution
2) no hydrogen to make water
3) Fe(OH)3 (base) and H2SO4(acid))
base +acid ----> salt +water
4) Li2O and Ba(OH)2
basic oxide and base ----> no reaction

so Answer number 3)
 2Fe(OH)3 +3 H2SO4 ------> Fe2(SO4)3 + 6H2O

7 0

3 years ago

Read 2 more answers

Breeder reactors are used to convert the nonfissionable nuclide U-238 to a fissionable product. Neutron capture by the U-238 is

m_a_m_a [10]

Answer:

Pu-239

Explanation:

Beta decay moves the element which undergoes the decay one place to the right in the periodic table since to conserve charge and being beta radiations an electron we convert a neutron into a proton and an electron. In neutron capture we increase the atomic mas by one unit. We that in mind, lets solve the question:

U-238 + ₁⁰ n ⇒ U-239 ⇒ Np -239 + ₋₁⁰β ⇒ Pu-239 + ₋₁⁰β

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jek_recluse [69]

Answer: a 900 milliliter (ml) pitcher of orange juice at 20 degrees Celsius ( oC)

Explanation:

Thermal energy is the energy possessed by an object by virtue of its temperature. The hotter the substance, the more its molecules vibrate, and therefore the higher its thermal energy.

Thermal energy refers to the sum of kinetic, potential, vibrational ,electronic and rotational energies of the object.

For bodies at same temperature, the body with more molecules will have more thermal energy due to more collisions.

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2 years ago

Where is the magnetic field of a bar magnet the strongest?

Alla [95]

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