557 cards
The ____, is called the base peak.
The largest peak in ____, corresponding to the most abundant ion , is called the base peak.
In the mass spectrum, the heaviest ion (the one with the greatest m/z value) is likely to be the ____.
In the mass spectrum, the ____ m/z value) is likely to be the molecular ion.
In a mass spectrum, the ____ peak is a small peak 1 \(\frac{m}{z}\) unit to the right of the main molecular ion peak.
In a mass spectrum, the M+1 peak is a ____ peak.
In a mass spectrum, the M+2 peak shows the relative abundance of either ____
In a mass spectrum, the ____ peak shows the relative abundance of either 81 Br or 37 Cl
In a mass spectrum: Br has a ____ ratio relative to the M peak.
Based on the size of the M+2 peak , you know this is a mass spectrum of a molecule that contains ____.
Based on the size of the M+2 peak , you know this is a mass spectrum of a molecule that contains bromine.
Based on the size of the M+2 peak , you know this is a mass spectrum of a molecule that contains ____.
Based on the size of the M+2 peak , you know this is a mass spectrum of a molecule that contains chlorine.
A/an ____ combines two immiscible liquids, one of which easily dissolves the compound of interest.
A/an extraction combines ____, one of which easily dissolves the compound of interest.
A/an extraction combines two immiscible liquids, one of which ____
In an extraction, the ____ layer is the organic layer and dissolves nonpolar compounds.
In an extraction, the nonpolar layer is the ____
In an extraction, the ____ layer is the aqueous (water) layer and dissolves compounds with hydrogen bonding or polarity.
In an extraction, the polar layer is the ____
A/an ____ is the reverse of an extraction. A small amount of solute that dissolves impurities is run over the compound of interest.
A/an wash is the reverse of ____ is run over the compound of interest.
A/an wash is the reverse of an extraction. A small amount of solute that dissolves impurities ____
During a filtration, a solid, also known as the ____.
During a filtration, a ____, also known as the filtrate.
During a ____, a solid, also known as the residue: is isolated from a liquid, also known as the filtrate.
____ is used for this purpose because it is faster.
Gravity filtration can be used to collect solid product, although generally vacuum filtration is used for this purpose because it is ____.
Gravity filtration can be used to ____, although generally vacuum filtration is used for this purpose because it is faster.
____, is a procedure for purifying an impure compound in a solvent.
Recrystallization, also known as fractional crystallization, is a procedure for ____.
Chromatography is a laboratory technique for the separation of a mixture based on ____.
____ is a laboratory technique for the separation of a mixture based on how fast each component travels through a structure.
In chromatography, the stationary phase is typically ____ molecules to elute slower.
In chromatography, the ____ phase is typically polar and this causes polar molecules to elute slower.
In chromatography, the stationary phase is typically polar and this causes polar molecules to elute ____.
In chromatography, the mobile phase is typically ____ molecules to elute faster.
In chromatography, the ____ phase is typically nonpolar and this causes nonpolar molecules to elute faster.
In chromatography, the mobile phase is typically nonpolar and this causes nonpolar molecules to elute ____.
In a typical thin-layer chromatography setup, the spot that moves farthest is the ____ substance
In a typical thin-layer chromatography setup, the spot that moves ____ distance is the polar substance
In liquid chromatography, ____ is used as the mobile phase.
In liquid chromatography, silica is a common ____e phase.
In ____ chromatography, silica is a common stationary phase while toluene or another nonpolar liquid is used as the mobile phase.
____ relies on pumps to pass a pressurized liquid solvent containing the sample mixture through a column filled with a solid adsorbent mate…
High-performance liquid chromatography relies on ____.
In gas chromatography , the liquid sample is vaporized before separation. Molecules are separated based on their ____
In ____ chromatography , the liquid sample is vaporized before separation. Molecules are separated based on their polarity and boiling point
In gas chromatography , the liquid sample is ____. Molecules are separated based on their polarity and boiling point
Gel-filtration chromatography separates molecules based on their ____.
____ chromatography separates molecules based on their size.
In size-exclusion chromatography , large molecules will elute ____
In ____ chromatography , large molecules will elute first
Ion exchange chromatography separates proteins by their ____.
____ chromatography separates proteins by their net charge.
In anion exchange chromatography , the beads are ____ charged proteins to elute first.
In ____ chromatography , the beads are positively charged and this causes positively charged proteins to elute first.
In anion exchange chromatography , the beads are positively charged and this causes positively charged proteins to elute ____.
In cation exchange chromatography , the beads are ____ charged proteins to elute last.
In ____ chromatography , the beads are negatively charged and this causes positively charged proteins to elute last.