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Why do some chemical equations use double arrows while some do not?
A double arrow shows that the reaction is reversible, it represents an equilibrium in which the products on the right can react together and produce the left hand side. A chemical equation without a double arrow isn't reversible and can only go in one direction.
Choose the symbol that represents a reversible reaction?
double arrows <--- ---->.
What is double arrow?
A double arrow typically refers to a symbol that represents a bidirectional relationship or operation. In mathematical context, it may indicate equivalence or a logical operation like "if and only if." In computer science or programming, a double arrow might represent a two-way assignment or comparison.
Why acetone is more polar than ethylacetate?
The dipole moment in acetone is greater than in the acetate group and therefore acetone is more polar (polarity index of 5.1) than ethylacetate (polarity index 4.4).CH3COCH3 as opposed to CH3COOCH2CH3While both compounds contain a double bond to oxygen (as highlighted above), which creates a strong dipole moment (i.e. polarity in the molecule) the adjacent oxygen in the acetate group attracts electrons to itself reducing the electron density in the double bonded oxygen thereby reducing the molecule's polarity.
Why does c2h2cl2 have more than one polarity?
C2H2Cl2 (dichloroethylene) has more than one polarity due to its molecular structure. The carbon-carbon double bond creates regions of electron density that affect the overall dipole moment of the molecule, resulting in multiple poles. Additionally, the two chlorine atoms can induce different dipole moments due to their positions and electronegativities.
What do the double-headed arrows on the polarizers and analyzers represent?
The double-headed arrows on polarizers and analyzers represent the direction of polarization that they allow to pass through their material. It indicates that light with polarization parallel to the arrow direction can pass through, while light with perpendicular polarization is blocked.
Define DNA polarity?
In DNA polarity refers to the direction that the molecule is synthesised in. Directionality is important as the genetic code must be read. One end of the molecule is a phosphate - labelled 5' (5 prime) At the other is a hydroxyl group - labelled 3'. It is the polar hydroxyl group that relates to the name 'polarity'. Nucleotides are added to the hydroxyl group, therefore we say it is synthesised in the 5'-3' direction. As DNA is double-stranded and anti-parallel the opposite strand is in the 3'-5' direction - this strand therefore lags behind in replication. I hope this helps you a little!
What is single polarity and double polarity of pulse amplitude modulation?
SINGLE POLARITY: In single polarity PAM the height of the pulse is made larger than the maximum negetive value of the signla so that it remains positive even when the input is negetive DOUBLE POLATRITY: In double polarity PAM the pulse height is made proportional to the amplitude of the signal at the instant of the sampling P.Nagarjuna B-tech 3rd year, ECE, Sri Indu college of engineering and technology
What is a line called with arrows on both ends?
a line. arrow on one end is called a ray and no arrows is called a line segment.
Stan gooch in the double helix of the mind states that everything is or is a development of polarity...is this true in the domain of quantum mechanics..?
everything has an opposite polarity.
Why do some chemical equations use double arrows while some do not?
A double arrow shows that the reaction is reversible, it represents an equilibrium in which the products on the right can react together and produce the left hand side. A chemical equation without a double arrow isn't reversible and can only go in one direction.
How do you zoom in on Pottermore?
either double click or up and down arrows
What would cause a 12 volt motor to change polairity?
A reversal of polarity in a 12-volt motor can occur if the wiring connections are switched or if a DPDT (double pole, double throw) switch is used to change the direction of current flow through the motor. It can also happen if a control circuit such as an H-bridge is used to control the motor direction.
How do you make curved double-headed block arrows in PowerPoint?
On the drawing toolbar, go to autoshape->connectors, and the double arrow is in there.
Choose the symbol that represents a reversible reaction?
double arrows <--- ---->.
Is cyclohexene a polar or non polar?
Nonpolar. There's a slight amount of polarity because of the double bond, but not much.
What is double arrow?
A double arrow typically refers to a symbol that represents a bidirectional relationship or operation. In mathematical context, it may indicate equivalence or a logical operation like "if and only if." In computer science or programming, a double arrow might represent a two-way assignment or comparison.
