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
Yuliya22 [10]
2 years ago
14

URGENT! PLEASE HELP ASAP

Chemistry
1 answer:
barxatty [35]2 years ago
4 0
14.7 is the right answer plus 86
You might be interested in
Which option is a valid hypothesis in the correct format?
Rashid [163]

Answer:

4. If cotton plants need a consistent amount of water to grow steadily, then a cotton plant that displays steady growth will receieve 100 mL of water every day.

Explanation:

Hypotheses are written in the format of "If... then...". It should include information on both variables to arrive at a conclusion point.

5 0
2 years ago
More pointss hahahahahahahaha
Oksana_A [137]

Answer:

thanks

Explanation:

fjnrjbn

7 0
3 years ago
Read 2 more answers
How are the sparks from a sparkler that strike your skin akin to tiny droplets of boiling water striking your skin?
skad [1K]
They both hurt and they both burn lol

they will each create a small burn on your skin if they touch you sometimes visible sometimes not. but both should burn about the same just one is water one is fire
6 0
3 years ago
How can you tell one elements from another?
stepladder [879]
The protons in the atom determine what the atom is. It also determines the atomic number<span>. For example, hydrogen has one proton, so it the atomic number is one. Lithium has an atomic number of three because it has three protons.</span>
7 0
3 years ago
Read 2 more answers
If 24.6 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 301 Kelvin and 1.01 atmosph
andreev551 [17]
Answer: 43.3 l


Explanation:

1) Chemical equation:
2 Li(s) + 2 H₂O (l) → 2LiOH(aq) + H₂ (g)

2) Mole ratios:

2 mol Li : 2 mol H₂O : 2 mol LiOH : 1 mol H₂

3) Number of moles of Li that react

n = mass in grams / atomic mass = 24.6g / 6.941 g/mol = 3.54 moles

4) Yield

Proportion:

2 mol Li / 1 mol H₂ = 3.54 mol  Li/ x


⇒ x = 3.54 mol Li × 1 mol H / 2 mol Li = 1.77 mol H₂

4) Ideal gas equation

PV = nRT ⇒ V = nRT / P

V = 1.77 mol × 0.0821 [atm×l / (mol×K)] × 301 K / 1.01 atm = 43.3 l


V = 43.3 l ← answer



7 0
3 years ago
Other questions:
  • By heating a liquid and measuring the temperature at which it boils, what is being measured?
    9·1 answer
  • I need help with this question please <br> Chemistry
    9·1 answer
  • Which situation describes why a rock sinks in water?
    7·1 answer
  • Question 3 (1 point)<br> What is the relationship between a chromosome and DNA?
    7·1 answer
  • Combustion of 7.54 g of liquid benzene (C6H6) causes a temperature rise of 50.3°C in a constant-pressure calorimeter that has a
    5·1 answer
  • What the volume of 7 mol of hydrogen at stp
    9·1 answer
  • Which three factor are most important in determining the composition of ocean water
    15·2 answers
  • CH3COOH mc015-1.jpg CH3COO– (aq) + H+(aq) What will happen to the chemical equilibrium of the solution if CH3COONa is added?
    8·1 answer
  • Sodium permanganate and iron(III) chloride are both dissolved in a beaker of water. In a double displacement reaction, two new p
    13·1 answer
  • Determine the atomic number, atomic mass and element name of the following:
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!