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
dalvyx [7]
3 years ago
9

If 7.50 g of methane gas (CH4) is in a 3250 mL container at 25° C, what is the pressure

Chemistry
1 answer:
Andre45 [30]3 years ago
4 0

Answer: 10,452 degrees

Explanation: the temperature will rise as more methane is added

You might be interested in
20. The mass of one mole of lead (Pb) atoms is 207.2 g. Use a proportion to calculate the n
AnnZ [28]

Answer:

a) atoms Pb = 4.3595 E22 amu

b) g = ( 6.022 E23 amu ) × ( Mw )

Explanation:

  • m Pb = 207.2 g / mol Pb

sample:

∴ m = 15.00 g

a) atoms Pb = ?

  • 1 mol ≡ 6.022 E23 amu

⇒ atoms Pb = (15.00g Pb)(mol Pb/207.2 g)(6.022 E23 amu/mol)

⇒ atoms Pb = 4.3595 E22 amu

b) relationship:

∴ 1 mol (n) ≡ 6.022 E23 amu......(1)

∴ mass (g) ≡ (Mw)×(n)

⇒ n = g / Mw..........(2)

∴ Mw: molecular weight

(1) = (2):

⇒ g / Mw ≡ 6.022 E23 amu

⇒ g ≡ ( 6.022 E23 amu ) × ( Mw )

8 0
3 years ago
Which chemical equation is balanced?
melomori [17]

D. MgO + 2HCI – MgCl2 + H20

<h3>Further explanation</h3>

The chemical equation is said to be balanced if the number of atoms in the reactants is equal to the number of atoms in the product

A. CaO2 + HCl → CaCl2 + H20

atoms O, Cl and H are not the same

B. CO2 + H2O + H2CO2

atoms O are not the same

C. K+ H2O → K20 + H2

atoms K are not the same

D. MgO + 2HCI – MgCl2 + H20

Mg, left = 1, right=1

O, left=1, right=1

H, left=2, right=2

Cl, left=2, right=2

Chemical equation is balanced

6 0
2 years ago
Name 5 affects of weathering and erosion
nadezda [96]

Answer Water, wind, and ice can also move pieces of rock or land to new places. The wearing away of a surface of rock or soil is called weathering. ... Weathering and erosion can cause changes to the shape, size, and texture of different landforms (such as mountains, riverbeds, beaches, etc).:

Explanation:

3 0
3 years ago
How many objects in the solar system have been confirmed to currently support life?
yulyashka [42]
B. One
I believe that earth is the only planet that has life that we know of on it.
6 0
3 years ago
Read 2 more answers
When a mineral was heated in a Bunsen flame to constant mass, a colourless gas that turned lime water milky was evolved. The rem
max2010maxim [7]
Vigorous effervescence can be seen only in C
6 0
3 years ago
Other questions:
  • 15 g of anhydrous calcium chloride is dissolved in 185 mL of water. What is molarity of the prepared solution? 81.1 M O0.73 M 0.
    6·1 answer
  • Which of the following correctly describes what happens to the kinetic energy of water when it changes from steam to a liquid? T
    11·1 answer
  • Τhe enthalpy of vaporization of ammonia is 23.35 kJ/mol at its boiling point (–33.4°C). Calculate the value of ∆S when 1.00 mole
    15·1 answer
  • What is the oxidation number of S in Li¿SOÁ?<br> A +1 <br> B +2 <br> C +5 <br> D +6
    5·1 answer
  • What is the number “4” in SiCl4? a subscript a coefficient a product a reactant
    7·2 answers
  • Which of the following is saturated hydrocarbon?<br>1 alkyne<br>2 alkane<br>3 ethylene<br>4 alkene​
    9·2 answers
  • What type of chemical replacement is RbNO3 + BeF2 →Be(NO3)2 + RbF
    14·1 answer
  • What volume of 6.67 mol of nacl congtains 3.12 mol of nacl
    11·1 answer
  • A student is investigating acceleration using balls with
    13·1 answer
  • Select the answer for this number showing three significant figures. Remember to round if necessary. 0.566 m 0.600 m 0.570 m 0.5
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!