1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ostrovityanka [42]
2 years ago
12

Matter that is made up of only one kind of Atom

Chemistry
2 answers:
sveta [45]2 years ago
8 0

Answer:

elements

Matter that has only one kind of atom is called an element. Gold, copper, oxygen, and mercury are examples of elements. Most matter is made up of two or more different kinds of atoms that are chemically combined. This kind of matter is called a compound.

Explanation:

oksano4ka [1.4K]2 years ago
7 0

Answer:

Element

Explanation:

This is the answer because:

1) All matter is made up of substances called elements.

2) Matter that iis made up of only one kind of Atom is called an Element.

Hope this helps! :D

You might be interested in
How is the energy present in the electrons passed through electron transport chain ii first used?
AVprozaik [17]
The energy is used to pump hydrogen ions into the thylakoid space
5 0
3 years ago
Am i correct if not correct me please
Annette [7]

Answer:

D. Hund's rule

Explanation:

Not sure, but I would go with Hund's since it talks about filing electrons in each orbital before you can pair them up. The reason sulfur has lower ionization is because it has one set of paired electrons which makes the orbital unstable whereas phosphorus has 3 unpaired e's which means it is more stable. Thus it is easier to remove electron from sulfur hence lower ionization energy.

4 0
3 years ago
A student is doing an experiment that stoichiometry says should produce 34.6 grams of product. The student actually makes 25.2 g
attashe74 [19]
25.2 / 34.6 x 100
which would get you 73%

if you found my answer helpful pls give brainliest
6 0
2 years ago
Ethene is converted to ethane by the reaction flows into a catalytic reactor at 25.0 atm and 250.°C with a flow rate of 1050. L/
Sphinxa [80]

Answer : The percent yield of the reaction is, 76.34 %

Explanation : Given,

Pressure of C_2H_4 and H_2 = 25.0 atm

Temperature of C_2H_4 and H_2 = 250^oC=273+250=523K

Volume of C_2H_4 = 1050 L per min

Volume of H_2 = 1550 L per min

R = gas constant = 0.0821 L.atm/mole.K

Molar mass of C_2H_6 = 30 g/mole

First we have to calculate the moles of C_2H_4 and H_2 by using ideal gas equation.

For C_2H_4 :

PV=nRT\\\\n=\frac{PV}{RT}

n=\frac{PV}{RT}=\frac{(25atm)\times (1050L)}{(0.0821L.atm/mole.K)\times (523K)}

n=611.34moles

For H_2 :

PV=nRT\\\\n=\frac{PV}{RT}

n=\frac{PV}{RT}=\frac{(25atm)\times (1550L)}{(0.0821L.atm/mole.K)\times (523K)}

n=902.46moles

Now we have to calculate the limiting and excess reagent.

The balanced chemical reaction is,

C_2H_4+H_2\rightarrow C_2H_6

From the balanced reaction we conclude that

As, 1 mole of C_2H_4 react with 1 mole of H_2

So, 611.34 mole of C_2H_4 react with 611.34 mole of H_2

From this we conclude that, H_2 is an excess reagent because the given moles are greater than the required moles and C_2H_4 is a limiting reagent and it limits the formation of product.

Now we have to calculate the moles of C_2H_6.

As, 1 mole of C_2H_4 react to give 1 mole of C_2H_6

As, 611.34 mole of C_2H_4 react to give 611.34 mole of C_2H_6

Now we have to calculate the mass of C_2H_6.

\text{Mass of }C_2H_6=\text{Moles of }C_2H_6\times \text{Molar mass of }C_2H_6

\text{Mass of }C_2H_6=(611.34mole)\times (30g/mole)=18340.2g

The theoretical yield of C_2H_6 = 18340.2 g

The actual yield of C_2H_6 = 14.0 kg = 14000 g      (1 kg = 1000 g)

Now we have to calculate the percent yield of C_2H_6

\%\text{ yield of }C_2H_6=\frac{\text{Actual yield of }C_2H_6}{\text{Theoretical yield of }C_2H_6}\times 100=\frac{14000g}{18340.2g}\times 100=76.34\%

Therefore, the percent yield of the reaction is, 76.34 %

5 0
3 years ago
Is A tomato smells rotten a chemical<br> reaction
olganol [36]

Answer:

yup

Explanation:

because chemical change took place

the reaction cant be reversible

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is an organ that produces enzymes that break down nutrients
    12·1 answer
  • Which is it hard to seperate one.<br> isotope from<br> from another.
    12·1 answer
  • Which term describes the number of troughs that pass a point in a given amount of time?
    12·1 answer
  • When you are balancing chemical reactions (equations'), what must you never touch?
    5·1 answer
  • What elements mass number is 15
    12·2 answers
  • What is the term for the material being dissolved in a solution?
    14·2 answers
  • Which major product is formed when Br2 and H2O are added to 2-methylpropene to give the bromohydrin?
    12·1 answer
  • Which statement about hydrogen bonds is true?
    10·2 answers
  • A molten sample of 1.00kg of iron with a specific heat of 0.385J/g.K at 1000.K is immersed in a sample of water. If the water ab
    6·1 answer
  • Chemical formula of Nascent Hydrogen is *<br>a) H2<br>b) H<br>c) HCl<br>d) HOCl​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!