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How do I know whether to use the preterite or imperfect past tense?

A: In general, you use the preterite tense to describe completed actions in the past, these are often single actions that took place at a specific moment in time. For example:El a...

MH
Answered by Megan H. Spanish tutor
2867 Views

List the three characteristic properties of reactant particles which affect the rate of reaction as described by the collision theory.

The frequency of collisionskinetic energy of particlescollision geometry (orientation)

AH
Answered by Alisa H. Chemistry tutor
3301 Views

Calculate: (a) The amount, in mol, of white phosphorus used, (b) the limiting reagent, (c) the excess amount, in mol, of the other reagent.

P4 (s) + 3OH- (aq) + 3H2O(l) ---> PH3 (g) + 3H2PO2-(aq)
Provided for answering (a): Mass of white phosphorus: 2...

LO
Answered by Lisajo O. Chemistry tutor
6336 Views

What is the difference between consumer surplus and producer surplus, and what significance do these two concepts have on the free market?

Consumer surplus is the difference between the price a consumer is willing to pay for a good, and the actual price of that good. Producer surplus is the difference between the price a producer is willing ...

JL
Answered by Jon L. Economics tutor
3848 Views

What is a binary tree? What is the time efficiency when searching a balanced binary tree of size n nodes and why? What is the advantage of using a binary tree rather than an ordinary list?

A binary tree is a special type of tree with one source node (no parents) and each node has a maximum of two child nodesEach node stores a valueUsed to store sorted numerical dataTime efficiency is O(logn...

JR
1654 Views

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