Questions tagged 'Chemistry'
452 questions
Catalysts can save money by essentially lowering what?
Catalysts can save money by effectively lowering which of the following? Please select all that apply: a. activation energy b. cost of reactants c. rate of reaction d. temperature required e. starting...
If an atom has 1 to 3 valence electrons, what will it do?
If an atom has 1 to 3 valence electrons, what actions might it take in terms of electron behavior? A. Accept electrons B. Donate electrons C. Move electrons to a lower energy shell D. Move electrons...
what does Gm stand for in Chemistry?
What does "Gm" represent in the context of chemistry? Could you explain its meaning and provide examples of where it might be used?
How many grams of H2O2 were in the original sample?
Hydrogen peroxide (H₂O₂) decomposes in the presence of a catalyst, resulting in the formation of water and oxygen. A catalyst was added to a 5.60 mL sample of hydrogen peroxide solution at 20.0 °C, le...
A certain reaction has the following general form.?
A certain reaction has the following general form: aA + bB → products. At a particular temperature, with an initial concentration of [A]₀ = 2.00 × 10⁻² M, concentration versus time data were collected...
A .175 M weak acid solution has a pH of 3.25. Calculate the Ka for the acid?
A solution containing 0.175 M of a weak acid has a pH of 3.25. Could you please calculate the acid dissociation constant (Ka) for this acid?
electron orbitals question!!!!!!!!!!!!!!!!!!!!!!111?
Could you please help me determine the number of electrons in the s orbitals of the Ti²⁺ ion?
Hypotonic v.s. Hypertonic?
What are the differences between hypotonic and hypertonic solutions? Can you explain what each term means and provide examples of their effects on cells?
Feb 10, 2025
How many Li atoms are contained in 97.9g of Li?
I would like to verify my answer for a homework question: How many lithium (Li) atoms are contained in 97.9 grams of lithium? Thank you!
Feb 10, 2025
household vinegar is a 5% solution of acetic acid. what is the formula for acetic acid.?
Household vinegar is a 5% solution of acetic acid. What is the chemical formula for acetic acid?