To measure the amount of calcium carbonate in a seashell, an analytical chemist crushes a 4.80g sample of the shell to a fine powder and titrates it to the endpoint with 515ml of 0.140M hydrogen chloride solution. The balanced chemical equation for the reaction is: 2HCL(aq) + CO32-(aq) → H2CO3(aq) + 2Cl-(aq)

Required:
a. What kind of reaction is this?
b. If you said this was a precipitation reaction, write the chemical formula of the precipitate.
c. If you said this was an acid-base reaction, write the chemical formula of the reactant that is acting as the base.

Microtubular fibers that assist in the movement of chromosomes during nuclear division in conjunction with proteins, makes up the small and large organelle pieces that assemble prior to translation three-base nucleotide sequence that can complementarily pair with the functional transcript, allowing a particular material to be brought to a ribosome particular time in the cell cycle when the cell’s systems determine if the cellular conditions are appropriate to continue through the cycle time in the cell’s cycle when proteins are made and organelles are duplicated enzyme that allows proper nucleotide bonding during transcription specific dna sequence which will initiate gene transcription division of the cell’s cytoplasm specific bond that forms between two amino acids when a carboxyl group binds to a amino group three-base sequence that does not code for a particular amino acid a paired organelle which facilitates the formation of movement microtubules time in the cell’s cycle when the microtubular structures exert an equal pressure on the cell’s genetic material

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?