Answer:
CH₄ is the excess reagent and SO₄²⁻ is the limiting reagent.
0.040 g
Explanation:
Step 1: Write the balanced reaction for the methane anaerobic oxidation
CH₄ + SO₄²⁻ ⇒ S²⁻ + CO₂ + 2 H₂O
Step 2: Establish the theoretical mass ratio between the reactants
According to the balanced equation, the theoretical mass ratio of CH₄ to SO₄²⁻ is 16.04:96.06 = 0.1670:1
Step 3: Establish the experimental mass ratio between the reactants
50 mg (0.050 g) of CH₄ react with 60 mg (0.060 g) of SO₄²⁻. The experimental mass ratio of CH₄ to SO₄²⁻ is 0.050:0.060 = 0.83:1
Comparing both mass ratios, we can deduce that CH₄ is the excess reagent and SO₄²⁻ is the limiting reagent.
Step 4: Calculate the mass excess of CH₄
The mass of CH₄ that reacts with 0.060 g of SO₄²⁻ is:
0.060 g SO₄²⁻ 16.04 g CH₄/96.06 g SO₄²⁻ = 0.010 g CH₄
The mass excess of CH₄ is:
0.050 g - 0.010 g = 0.040 g
First atom
proton: 3 Neutrons: 3 Electrons: 3 atomic number: 3 mass: 6 Isotope name: Lithium-6
Second atom
Proton: 3 Neutrons: 4 Electrons: 3 atomic number: 3 mass: 7 Isotope name: Lithium-7
Answer:
The correct answer is "Cell Body".
Explanation:
The soma, or the cell body, of the neuron is the center of the neuron, it contains the nucleus and serves as a connection to the dendrites and axon, who receive and send the information, respectively. The cell body of the neuron also serves as the part of the neuron that manufactures substances that help the neuron grow. It is common to think the cell body as the factory where the energy of the neuron is produced.
Answer:
Does this help? I searched it.
Explanation:
- You tube Image
Answer:
A.Obtaining embryonic stem cells for use in therapy requires the destruction of embryos.
Explanation:
Research involving human embryonic stem cells is subject to ethical and political debate because these investigations involve the destruction of human embryos. Stem cells have a series of advantages in the field of organ/tissue regeneration, to investigate the etiology of degenerative diseases, therapeutic cell cloning, etc. However, in many countries, the moment where life begins is a controversial point, and therefore this issue must be defined clearly before research.