Answer:
Electrolysis breaks down water to form hydrogen and oxygen gas : hydrogen + oxygen
Explanation:
Answer:
The answer to your question is C = 2.01 J/g°C
Explanation:
Data
mass = m = 278 g
Temperature 1 = T1 = 0.8°C
Temperature 2 = T2 = 15.9 °C
Heat = Q = 8.46 x 10³ J
Heat capacity = C = ?
Process
1.- Write the formula to calculate the heat
Q = mC(T2 - T1)
2.- Solve for C
C = Q / m(T2 - T1)
3.- Substitution
C = 8.46 x 10³ / 278 (15.9 - 0.8)
4.- Simplification
C = 8.46 x 10³ / 4197.8
5.- Result
C = 2.01 J/g°C
Answer:
892 g/mol
Explanation:
Step 1: Given and required data
- Mass of the nonvolatile and a non-electrolyte solute: 11.01 g
- Volume of solution: 158.1 mL = 0.1581 L
- Osmotic pressure (π): 1.91 atm
- Ideal gas constant (R): 0.0821 atm.L/mol.K
- Absolute temperature (T): 298 K
Step 2: Calculate the molarity (M) of the solution
The osmotic pressure is a colligative property that can be calculated using the following expression.
π = M × R × T
M = π / R × T
M = 1.91 atm / (0.0821 atm.L/mol.K) × 298 K
M = 0.0781 M
Step 3: Calculate the molecular weight of the solute
We will use the following expression for molarity.
M = mass of solute / molecular weight of solute × liters of solution
molecular weight of solute = mass of solute / M × liters of solution
molecular weight of solute = 11.01 g / (0.0781 mol/L) × 0.1581 L
molecular weight of solute = 892 g/mol
Answer:The majority of chemical processes are reactions that occur in solution. Important industrial processes often utilize solution chemistry. "Life" is the sum of a series of complex processes occurring in solution. Air, tap water, tincture of iodine, beverages, and household ammonia are common examples of solutions.
A solution is a homogenous mixture of substances with variable composition. The substance present in the major proportion is called the solvent, whereas the substance present in the minor proportion is called the solute. It is possible to have solutions composed of several solutes. The process of a solute dissolving in a solute is called dissolution.
Explanation:
Answer:
3 (c)
Explanation:
All matter has density becuase all matter takes up space. When you wave your hand infront of yourself you feel wind. if air did not take up space it would all collapse into a black hole becuase their would be no resistance.
Wolf gang polli made the polli exlution princible, it says that all fermion particles take up space and can not be in the same place at the same time. This is why your legs hold up, your Piano doesent fall through the ground. if this wassent true everything would collaps into a black hole
Hope it helped