What evidence indicates that a reaction has occurred? (Select all that apply.)

The temperature decreased.

A solid brown product formed.

The temperature increased.

A gas formed.

An explosion occurred.

If you are involved in a collision and your vehicle is blocking the flow of traffic, you should leave the vehicle where it is until the police arrive leave the scene of the accident to call a tow truck move the car out of the flow of traffic if

Fuel cells have been proposed for use in cars and for power generation as part of a hydrogen economy. They offer the advantages of higher efficiency and cleaner fuel with insignificant pollutants.

Suppose values is a sorted array of integers. Give pseudocode that describes how a new value can be inserted so that the resulting array stays sorted.

What is the purpose of a hash function? Choice a To provide integrity Choice b To create a value that cannot be repudiated by its sender Choice c To obfuscate a data segment such that it cannot be deciphered without a key Choice d To preserve a copy

Consider a refrigerator that consumes 320 W of electric power when it is running. If the refrigerator runs only one quarter of the time and the unit cost of electricity is $0.09/kWh, the electricity cost of this refrigerator per month (30 days) is A.

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.

Two parallel Rivers (A and B) are separated by confined and unconfined aquifer estimate the RATE of seepage of river A to River B per unit length of the rivers