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
lora16 [44]
3 years ago
6

What is the maximum amount in moles of P2O5 that can theoretically be made from 235 g of P4 and excess oxygen?

Chemistry
1 answer:
Lady_Fox [76]3 years ago
5 0
The correct answer would be 3.8mol
You might be interested in
Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture.
OLEGan [10]

Answer:

Dalton law states that the partial pressure of a gas in a mixture of gases is equal to the total pressure of the mixture.

4 0
2 years ago
What is the freezing point of an aqueous solution that has 25.00 g of calcium iodide dissolved in 1250 g of water?
ozzi

Answer:

<u></u>

  • <u>- 0.380ºC</u>

Explanation:

The lowering of the freezing point of a solvent is a colligative property ruled by the formula:

  • \Delta T_f=K_f\times m\times i

Where:

  • ΔTf is the lowering of the freezing point
  • Kf is the molal freezing constant of the solvent: 1.86 °C/m
  • m is the molality of the solution
  • i is the van't Hoff factor: the number of particles (ions) per unit of ionic compound.

<u />

<u>a) molality, m</u>

  • m = number of moles of solute/ kg of solvent
  • number of moles of CaI₂ = mass in grams/ molar mass
  • number of moles of CaI₂ = 25.00g / 293.887 g/mol = 0.0850667mol
  • m = 0.0850667mol/1.25 kg = 0.068053m

<u>b) i</u>

  • Each unit of CaI₂, ideally, dissociates into 1 Ca⁺ ion and 2 I⁻ ions. Thus, i = 1 + 2 = 3

<u />

<u>c) Freezing point lowering</u>

  • ΔTf =  1.86 °C/m × 0.068053m × 3 = 0.3797ºC ≈ 0.380ºC

<h2>I have problems to upload the full answer in here, so I attach a pdf file with the whole answer.</h2>
Download pdf
6 0
3 years ago
The table shows the number of reactants and products present during two separate chemical reactions.
finlep [7]

Answer:

Chemical reaction B, because the product is a compound

Explanation:

A synthesis or combination reaction is that reaction that involves combination of two or more reactants to form a single product. The two or more reactants are often elements that chemically combine to form a single compound.

In this question, two chemical reactions are involved in which chemical reaction A has 1 reactants and 3 products while chemical reaction B has 2 reactants and 1 product. Based on the explanation above, the reaction B correctly identifies the synthesis reaction because the single product is a compound.

4 0
3 years ago
Chemistry help! Thanks to anyone who helps!
zmey [24]
A: 2-methyl-2-propanom
5 0
2 years ago
What is in the nucleus of an atom?
lora16 [44]

Answer:

energy??????????????

5 0
2 years ago
Read 2 more answers
Other questions:
  • What is the freezing point of an aqueous solution that boils at 105.0 ∘C? Express your answer using two significant figures.
    14·1 answer
  • For each of the following equilibria, write the equilibrium constant expression for Kc. Where appropriate, also write the equili
    8·2 answers
  • Dependent variable definition
    9·2 answers
  • In a nuclear fusion reaction, what state is matter in?
    6·1 answer
  • How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight​
    9·1 answer
  • How many of each subatomic particle type does each of the following atoms contain: a. 90_Ag b. barium-132
    8·1 answer
  • Identify the structure that contains the inherited instructions that determine the different color patterns in these snakes
    8·1 answer
  • What element has the lowest melting point
    12·1 answer
  • How can the percent yield be used to determine the actual yield of a chemical reaction
    9·1 answer
  • How is carbon dioxide collected in laboratory​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!