Questions tagged 'Inventions & Discoveries'
31 questions
A glucose molecule is to starch as _____?
A glucose molecule is to starch as _____? Which of the following options best completes this analogy? A steroid is to a lipid A nucleic acid is to a polypeptide A nucleotide is to a nucleic acid...
FeCl3 reacts with only one of the two compounds… Chem Question!?
FeCl3 reacts with only one of the two compounds: aspirin and salicylic acid. Which part of the molecule does FeCl3 interact with?
in the most acceptable electron-dot (Lewis) structure for carbonyl flouride, COF2 the central atom is?
In the most acceptable electron-dot (Lewis) structure for carbonyl fluoride (COF2), which atom serves as the central atom? a) Carbon (C), which is singly bonded to oxygen (O) b) Oxygen (O), which is...
Dec 13, 2024
Formulas for cations and anions?
What are the chemical formulas for the following cations and anions: 1) Vanadium in the +5 oxidation state combined with carbonate (V^5+CO3^2-), and 2) Vanadium in the +4 oxidation state combined with...
In the haber reaction, patented by german chemist fritz haber in 1908, dinitrogen gas combines with dihydrogen gas to produce gaseous
In the Haber reaction, patented by German chemist Fritz Haber in 1908, dinitrogen gas combines with dihydrogen gas to produce gaseous ammonia. This reaction is now the primary method used to produce m...
In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical e?
In a hydrogen fuel cell, hydrogen gas reacts with oxygen gas to produce water. Write the balanced chemical equation for this reaction, using the lowest whole-number coefficients. Identify the oxid...
Nov 19, 2024
Condensed electron configuration for Lu3+?
What is the condensed electron configuration for the Lu3+ ion?
How many grams of H2 gas would be produced by the complete reaction of the aluminum block?
How many grams of hydrogen gas (H2) would be produced from the complete reaction of an aluminum block? Sulfuric acid can dissolve aluminum metal according to the following reaction: 2Al(s) + 3H2SO4(a...
Oct 26, 2024
If 27.0 g of MgSO4.7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain?
If 27.0 g of magnesium sulfate heptahydrate (MgSO4·7H2O) is thoroughly heated, what mass of anhydrous magnesium sulfate (MgSO4) will remain after the water of hydration has been eliminated?
How do I figure out the charges for Sn(SO3)2?
I understand that the compound Sn(SO3)2 is referred to as tin(IV) sulfite, but I'm unclear about how to determine the charges associated with this molecule. Could someone please explain the process fo...