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
tensa zangetsu [6.8K]
3 years ago
14

The balanced half-reaction in which sulfate ion is reduced to sulfite ion is a __________ process.

Chemistry
1 answer:
harkovskaia [24]3 years ago
8 0

Answer:

Two-electron

Explanation:

You might be interested in
Determine the volume occupied by 2.5 mol of a gas at 18 °C if the pressure is 81.8 kPa?
mars1129 [50]

Answer:

74 litre

Explanation:

using ideal gas eqation PV=nRT

here P(pressure)=81.8 kPa =81.8×10^3 Pa

moles=2.5

temperature=273.15+18=291.15K

Gas constant R=8.314m^3-Pa/K-mol

now, V=nRT/P = 8.314×2.5×291.5/81.8×10^3 ≈74litre

✌️;)

3 0
3 years ago
If you obtain 3.0 grams of aspirin from an experiment that could make no more than 3.14 grams, what is the percent yield?
Masteriza [31]

Answer:

96%

Explanation:

To find the percent yield, we can use this equation

\frac{Actual}{Theoretical} *100

The actual yield of aspirin is 3.0 and the theoretical is 3.14 in this case, so just plug the numbers in.

\frac{3.0}{3.14} *100\\\\ =96

Thus the percent yield is 96%

;)

3 0
3 years ago
Imagine you are a civil engineer who designs buildings. How might testing small-scale building models or their components be hel
lubasha [3.4K]
The error would be 40 cm
3 0
3 years ago
Read 2 more answers
a car is traveling at a speed of 55 mph the speed increased to 75 mph if the time needed to hange its speed is 4 seconds whats t
Savatey [412]

v = 75 mph = 33.52 m/s

u = 55 mph = 24.58 m/s

t = 4 sec

acceleration = v-u/t

= 33.52-24.58/4

= 8.94/4

= 2.235 m/s

6 0
3 years ago
Suppose that 33.3 J of heat is added to an ideal gas. The gas expands at a constant pressure of 1.45 104 Pa while changing its v
levacccp [35]

Answer:

ΔU = 25.8 J

Explanation:

The gas absorbs 33.3 J of heat, that is, Q = 33.3 J.

The work (W) of expansion can be calculated using the following expression:

W = -P. ΔV

where,

P is the external pressure

ΔV is the change in volume

W = -1.45 × 10⁴ N . m⁻² × (8.40 × 10⁻⁴ m³ - 3.24 × 10⁻⁴ m³) = -7.48 J

The change in the internal energy (ΔU) is:

ΔU = Q + W

ΔU =  33.3 J + (-7.48 J) = 25.8 J

5 0
3 years ago
Other questions:
  • Which is evidence that the reaction below is a redox reaction?
    5·2 answers
  • Hydrogen chloride gas is shipped in a container under 5,100 mmHg of pressure that occupies 20.1 liters at 29°C. How many liters
    6·1 answer
  • How many moles of Fe are needed to make 4 moles of FeCl2<br>​
    5·1 answer
  • Ammonium carbamate (NH2COONH4) is a salt of carbamic acid that is found in the blood and urine of mammals. At 240°C, Kc = 0.006
    7·1 answer
  • A 10% (v/v) methanol solution can be made by adding _________ of methanol to _________ of water, while a 10% (m/m) methanol solu
    7·1 answer
  • Students set up an experiment to investigate whether or not a chemical
    14·1 answer
  • What structures are part of the body's first line of defense against pathogens
    15·1 answer
  • Is the modern periodic table arranged based on atomic mass? <br> HELPP ILL GIVE BRAINLIEST
    10·1 answer
  • How many moles of magnesium chloride can be formed from 4.86 g of Mg and 21.27 g of Cl2?
    12·1 answer
  • Why do we use the metric system/US customary system
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!