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
timofeeve [1]
3 years ago
14

How many grams of C3H8 are in a 7 L tank at 293 K and 5.45 atm?

Chemistry
1 answer:
Sophie [7]3 years ago
8 0
1.59 moles















































112211111111111112
You might be interested in
PLS HELP
jek_recluse [69]

Answer:

D because the grass is eaten by the antelope and the antelope is eaten bu the lion

4 0
2 years ago
Read 2 more answers
An electron in a hydrogen atom moves from level 1 to level 4. The electron then drops from level 4 to level 2. Which statement d
butalik [34]

Answer:

B. The energy absorbed in the first move is greater than the energy released in the second move.

Explanation:

It takes large amounts of energy for a electron to jump energy levels and the further it moves, the more it takes.

6 0
3 years ago
Read 2 more answers
According to Archimedes' principle, the mass of a floating object equals the mass of the fluid displaced by the object. A 150-lb
julsineya [31]

Answer:

The density of the swimmer is 0.0342 lbm/in3.

This value makes sense as the density of the body is very similar to the water.

Explanation:

If the swimmers is floating, the weight of the swimmer must be equal to the upward buoyant force.

We can express the weight force as the product of density and volume of the swimmer.

Then

\rho_{swimmer}*V_{swimmer}=\rho_{water}*V_{water_displaced}\\\\\rho_{swimmer}*V_{swimmer}=\rho_{water}*0.95**V_{swimmer}\\\\\rho_{swimmer}=0.95*\rho_{water}\\\\\rho_{swimmer}=0.95*0.036 lbm/in3\\\\\rho_{swimmer}=0.0342lbm/in3

It makes sense as the density of the body is very similar to the water.

5 0
3 years ago
Write a hypothesis to predict how reaction rate will change when temperature changes. For example: “ If i heat a reaction, then
cricket20 [7]
If I heat a reaction then the rate will increase because the higher the temperature the faster the reaction.

Please vote my answer brainliest. thanks!
8 0
3 years ago
Sodium hydrogen carbonate NaHCO3, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Ac
olga2289 [7]

Answer:

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

Explanation:

Moles (n)=Molarity(M)\times Volume (L)

Moles of hydrochloric acid = n

Volume of hydrochloric acid solution = 200.0 mL = 0.200 L

Molarity of the hydrochloric acid = 0.089 M

n=0.089 M\times 0.200 L=0.0178 mol of HCL

HCl(aq)+NaHCO_3(aq)\rightarrow NaCl(aq)+H_2O(l)+CO_2(g)

According to reaction, 1 mole of HCl is neutralized by 1 mole of sodium bicarbonate.

Then 0.0178 moles of HCl wil be neutralized by :

\frac{1}{1}\times 0.0178 mol=0.0178 mol of sodium bicarbonate

Mass of 0.0178 moles of sodium bicarbonate:

0.0178 mol × 72 g/mol = 1.4952 g

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

8 0
3 years ago
Other questions:
  • What type of reaction does this equation represent? 2I4O9(s) → 4I2(s) + 9O2(g)
    11·2 answers
  • How do water molecules in the solid phase compare with water molecules in the gaseous phase?
    14·1 answer
  • Describe the method for taking an accurate measurement by using a measuring tool.
    9·1 answer
  • How many moles of carbon (C) are there in 92.5 g of C?
    10·1 answer
  • Which of the following best describes chicken noodle soup?
    9·2 answers
  • Can someone help me with this question please? I don’t understand molarity
    14·1 answer
  • Do you think crystals formed in conditions that were stable or did they change often?
    12·1 answer
  • Who wnata to date over snap we show what ever we want I mean what ever im 13, 14 is the oldest I can go.
    11·1 answer
  • Weathering and Erosion Unit Test
    11·1 answer
  • Newton’s second law of motion
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!