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
Sveta_85 [38]
4 years ago
6

What conditions must occur before nuclear fusion begins during star formation?

Chemistry
1 answer:
allsm [11]4 years ago
7 0
Conditions such as high pressure and high temperature must occur.
You might be interested in
PLEASE HELP ME does a liquid have definite or indefinite shape.
andrezito [222]
Definite volume and indefinite shape
8 0
3 years ago
For each trial, compute the mol of titrant; (molarity x L) and keep the number of significant figures to 4.
MrMuchimi

Answer:

Trial     Number of moles

           

  1          0.001249mol

  2         0.001232mol

  3          0.001187 mol

Explanation:

To calculate the <em>number of moles of tritant</em> you need its<em> molarity</em>.

Since the<em> molarity</em> is not reported, I will use 0.1000M (four significant figures), which is used in other similar problems.

<em>Molarity</em> is the concentration of the solution in number of moles of solute per liter of solution.

In this case the solute is <em>NaOH</em>.

The formula is:

          Molarity=\dfrac{\text{Number of moles of solute}}{\text{Volume of solution in liters}}

Solve for the <em>number of moles:</em>

          \text{Number of moles}=Molarity\times Volume\text{ }in\text{ }liters

Then, using the molarity of 0.1000M and the volumes for each trial you can calculate the number of moles of tritant.

Trial    mL           liters          Number of moles

           

1          12.49       0.01249        0.01249liters × 0.1000M = 0.001249mol

2         12.32      0.01232         0.01232liters × 0.1000M = 0.001232mol

3          11.87       0.01187         0.01187liters × 0.1000M = 0.001187 mol

3 0
3 years ago
Read 2 more answers
8. What is the chemical formula for sulfuric acid? Explain in great detail.
-Dominant- [34]

The chemical formula for sulfuric acid is H2SO4.

Detailed explanation:

This means that there are 2 atoms of hydrogen, 1 atom of sulfur, and 4 atoms of oxygen in a single molecule. Hope this helps!

6 0
3 years ago
Read 2 more answers
Gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . What is the theoretical yiel
Effectus [21]

Answer:

1) Write the balanced equation:

2C2H6 + 7O2 ---> 4CO2 + 6H2O

2) Determine limiting reagent:

C2H6 ⇒ 13.8 g / 30.0694 g/mol = 0.45894 mol

O2 ⇒ 45.8 g / 31.9988 g/mol = 1.4313 mol

C2H6 ⇒ 0.45894 / 2 = 0.22947

O2 ⇒ 1.4313 / 7 = 0.20447

Oxygen is limiting.

3) Determine theoretical yield of water:

The oxygen : water molar ratio is 7 : 6

7 is to 6 as 1.4313 mol is to x

x = 1.2268286 mol of water

4) Convert moles of water to grams:

1.2268286 mol times 18.015 g/mol = 22.1 g (to three sig figs)

Solution to (b):

14.2 g / 22.1 g = 64.2%

Explanation:

8 0
3 years ago
Which of the following measurements is expressed to three significant figures?
IRINA_888 [86]

we need the three measurements to be able to asses significant figures.

3 0
4 years ago
Read 2 more answers
Other questions:
  • C0 + 02--&gt; CO2 Balance the equation carbon dioxide forming
    9·1 answer
  • Which is a diatomic molecule?<br> A. He <br> B. O2 <br> C. NaCl <br> D. CuF2
    8·2 answers
  • If the molar mass of the compound in problem 1 is 110 grams/mole, what is the molecular formula? With work?
    10·1 answer
  • Which of the following has the most H+ ions in its solution?
    15·1 answer
  • The __ describes the steps you use during an experiment?
    9·1 answer
  • Red cabbage is an organic indicator for acids and bases. In the pictures above, which test tube(s) may have ammonia dissolved in
    5·2 answers
  • Draw the structure of (z)-3-methylhept-3-ene. be sure the stereochemistry is drawn clearly.
    7·1 answer
  • The number of O atoms in 6.15 g of Al(PO 4 ) 3 (molar mass=122.00 g/mol) is
    15·1 answer
  • Osmosis is the process in which _______ diffuses across a cell membrane.
    13·2 answers
  • Which electrophiles can react with an enol?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!