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
anyanavicka [17]
3 years ago
12

-------,-------,--------,and---------- are the four types of main waves

Chemistry
1 answer:
myrzilka [38]3 years ago
4 0

Answer:

As far as i know there are only three types of waves: transverse waves, longitudinal waves, and surface waves. Though maybe I'm incorrect.

You might be interested in
How many grams of XeF6 are required to react with 0.579 L of hydrogen gas at 4.46 atm and 45°C in the reaction shown below?
natka813 [3]

Answer:

8.1433 g of XeF₆  are required.

Explanation:

Balanced chemical equation;

XeF₆ (s) + 3H₂ (g)   →  Xe (g) + 6HF (g)

Given data:

Volume of hydrogen = 0.579 L

Pressure = 4.46 atm

Temperature = 45 °C (45+273= 318 k)

Solution:

First of all we will calculate the moles of hydrogen

PV = nRT

n = PV/ RT

n = 4.46 atm × 0.579 L / 0.0821 atm. dm³. mol⁻¹. K⁻¹ × 318 K

n = 2.6 atm . L / 26.12 atm. dm³. mol⁻¹

n = 0.0995 mol

Mass of hydrogen:

Mass = moles × molar mass

Mass =  0.0995 mol × 2.016 g/mol

Mass =  0.2006 g

Now we will compare the moles of hydrogen with XeF₆ from balance chemical equation.

                                         H₂   :  XeF₆

                                          3    :    1

                                 0.0995   : 1/3× 0.0995 = 0.0332 mol

Now we will calculate the mass of XeF₆.

Mass = moles × molar mass

Mass = 0.0332 mol × 245.28 g/mol

Mass = 8.1433 g

4 0
3 years ago
HELP! A 25-mL solution of 2.0 M hydrobromic acid is kept in a bottle. How many moles of the acid is in the solution?
AveGali [126]

Answer: hello mason

Explanation: figure it out yourself

8 0
3 years ago
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
telo118 [61]

Answer: Some of the chemical energy in natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.

Explanation:

The natural gas consists of chemicals, which when burn produces thermal energy. This thermal energy is utilized for heating or boiling water. The boiling water produces steam the steam tries to come out of the kettle thus makes sound over the kettle lid, the pressure created by steam while leaving kettle produces sound energy.

8 0
3 years ago
You have cyclohexene, water, cyclohexanol, and a little sulfuric acid catalyst in a test tube at 60 oC and everything is at equi
Anvisha [2.4K]

Answer:

See explanation

Explanation:

We can convert cyclohexanol to cyclohexene in the presence of a strong acid such as sulfuric acid catalyst in a test tube at 60 oC by heating up the mixture to about 80 oC. This is a dehydration reaction so water is removed  to yield the alkene. A drying agent is used to remove any trace amount of water left in the system. This overall reaction is endothermic.

Also, the reverse is the case when we want to carry out the hydration of cyclohexene to yield cyclohexanol. The overall reaction is exothermic and involves the addition of more water to the alkene and then cooling down the system to about 40 oC.

8 0
2 years ago
Calculate the moles of O atoms in 0.658 g of Mg(NO3)2.
lara31 [8.8K]

Answer:

There are 0.0267 moles of oxygen in 0.658 grams of magnesium nitrate.

Explanation:

Mass of magnesium nitrate = m = 0.658 g

Molar mass of magnesium nitrate = M = 148 g/mol

Moles of magnesium nitrate = n

n=\frac{m}{M}=\frac{0.658 g}{148 g/mol}=0.004446 mol

1 mole of magnesium nitrate has 6 moles of oxygen atoms. Then 0.004446 moles magnesium nitrate will have :

6\times 0.004446 mol=0.026676 mol\approx 0.0267

There are 0.0267 moles of oxygen in 0.658 grams of magnesium nitrate.

8 0
3 years ago
Other questions:
  • What is conditional reflexes?? ​
    5·1 answer
  • ) Which property listed below is NOT that associated with a metallic atomic solid: (a) electrically (b) elastic (c) high melting
    13·1 answer
  • In regards to sunspot activity, we are presently...
    8·2 answers
  • What is the mass in grams of 0.000142 mol of vitamin c
    13·1 answer
  • ___________ currents in the Earth's mantle cause plate movement which causes earthquakes and volcanic activity
    10·1 answer
  • A 100 milliliters (mL) sample of a liquid is poured from a beaker into a graduated cylinder. Which of the following best explain
    13·1 answer
  • Be sure to answer all parts. Radon (Rn) is the heaviest and the only radioactive member of Group 8A(18), the noble gases. It is
    14·1 answer
  • Explain what makes insulative materials work most effectively.
    9·1 answer
  • What does the number of valence electrons determine?
    14·1 answer
  • A body-centered cubic unit cell has an edge length of 588 pm. What is the radius of the atoms composing the unit cell?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!