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
belka [17]
3 years ago
5

If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L

to 1.55L, how much pressure would be inside the balloon?
Chemistry
1 answer:
Andrej [43]3 years ago
6 0

Answer:

R u from ridge?

Explanation:

Mr Wilson trippin

You might be interested in
3HCl(aq) + Al(OH)3(aq) = AIC13(aq) + 3H2O(1)
alexgriva [62]

Answer:

117.07 ml

Explanation:

Right on ck-12

6 0
2 years ago
When a gas is cooled at constant pressure, what happens to its molecules and volume?
Dima020 [189]
Assuming it's a perfect gas, we have PV=nRT hence if T goes down, V goes down up. The volume will decrease.
3 0
3 years ago
CH4 + O2 → CO2 + H2O
Scilla [17]

Answer:

9.8 × 10²⁴ molecules H₂O

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Moles
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Organic</u>

  • Naming carbons

<u>Stoichiometry</u>

  • Analyzing reaction rxn
  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

[RxN - Unbalanced] CH₄ + O₂ → CO₂ + H₂O

[RxN - Balanced] CH₄ + 2O₂ → CO₂ + 2H₂O

[Given] 130 g CH₄

<u>Step 2: Identify Conversions</u>

Avogadro's Number

[RxN] 1 mol CH₄ → 2 mol H₂O

[PT] Molar Mass of C: 12.01 g/mol

[PT] Molar Mass of H: 1.01 g/mol

Molar Mass of CH₄: 12.01 + 4(1.01) = 16.05 g/mol

<u>Step 3: Stoichiometry</u>

  1. [DA] Set up conversion:                                                                                   \displaystyle 130 \ g \ CH_4(\frac{1 \ mol \ CH_4}{16.05 \ g \ CH_4})(\frac{2 \ mol \ H_2O}{1 \ mol \ CH_4})(\frac{6.022 \cdot 10^{23} \ molecules \ H_2O}{1 \ mol \ H_2O})
  2. [DA] Divide/Multiply [Cancel out units]:                                                           \displaystyle 9.75526 \cdot 10^{24} \ molecules \ H_2O

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

9.75526 × 10²⁴ molecules H₂O ≈ 9.8 × 10²⁴ molecules H₂O

8 0
2 years ago
Help pleassssse match allllll of them...
sleet_krkn [62]
Look at the letters, 3 would be MMeters
4 0
3 years ago
Read 2 more answers
Suppose that, from measurements in a microscope, you determine that a certain layer of graphene covers an area of 2.60μm2. conve
garri49 [273]
Given that 1 micrometer or micron (um) is equivalent by definition to 1 x 10^-6 m, this means that 1 square micron (um^2) is equivalent to (1 x 10^-6)^2 m^2, or 1 x 10^-12 m^2.

(2.60 um^2) * (1 x 10^-12 m^2 / 1 um^2) = 2.60 x 10^-12 m^2
Therefore the layer of graphene covers an area of 2.60 x 10^-12 m^2.
<span />
5 0
3 years ago
Read 2 more answers
Other questions:
  • (THIS QUESTION IS FROM APEX IN COURSE: Physical Science Sem 2
    9·2 answers
  • Pickles are preserved by soaking cucumbers in a vinegar solution what are some properties of these pickles
    15·1 answer
  • Chandra wants to know how many moles are contained in 150.0g CCl4 what quantity of CCl4 should she use to make this conversion
    6·2 answers
  • Which type of electromagnetic radiation has a lower frequency than infared radiation
    11·1 answer
  • Which characteristic most likely describes the water in Lake Taal?
    7·1 answer
  • Which of these statements accurately describes monomers?
    9·2 answers
  • Which describes an effect that ocean currents have on short-term climate change? Ocean currents increase the strength of prevail
    11·1 answer
  • I2 (s) has a very low solubility in H2O (l) because the weak _____ forces between I2 and H2O are not strong enough to replace th
    14·1 answer
  • What information does the percent composition of an atom in a molecule
    11·1 answer
  • (a) Is a weak Brønsted-Lowry base necessarily a weak Lewis base? Explain with an example.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!