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lorasvet [3.4K]
3 years ago
9

KOH + HNO3 equals HOH + KNO what type of reaction is this​

Chemistry
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

Double-Replacement Reactions

Explanation:

KOH + HNO3 -> H2O + KNO3

This is a double replacement reaction

The anions are "traded" and two new compounds are produced

(a liquid and a salt)

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Give an example of traits in a population that have changed in response to an environmental change.
mixer [17]

Answer:

When those traits change over time through many generations in response to changes in environmental conditions, scientists call that process adaptation. In the example of beetle color above, the yellow color trait supported successful survival and reproduction in the new environment.

4 0
3 years ago
A. A student was given an unknown sample of a pure metal to identify. Its mass was 116
forsale [732]

Answer:

Silver

Explanation:

Given parameters:

Mass = 116g

Energy  = 511J

Initial temperature  = 21.6°C

Final temperature  = 40.5°C

Unknown:

Specific heat capacity and the type of metal = ?

Solution:

To solve this problem, we need to find the specific heat capacity of the metal given,

         H  = m x c x Ф  

H is the energy

m is the mass

c is the specific heat capacity

Ф is the change in temperature

        511  = 116 x c x (40.5 - 21.6)

         511  = 2192.4c

           c  = 0.233J/g°C

The specific heat capacity of silver is similar to this.

3 0
3 years ago
Sally has been described by her psychology teacher, Mrs. Feldspar, as a bit
tester [92]

Sally is struggling with Prospective memory.

<u>Explanation:</u>

The type of memory in which an individual has problem to remember a planned set of actions. He or she can remember or recall it only after some period of time may be in future and not at that time where those actions needs to be performed. These type of memory problem can range from a simple situation like the tasks that are to be done in common, simple and daily basis to serious issue.

Some of the instances of this kind of prospective memory includes, closing a tap after usage, cut a call over phone when the conversation is done,etc. These instances includes only simple issues. Some of dangerous issues includes forgetting to take regular medicines, forgetting to take some protective and safety measures while driving,etc.

4 0
3 years ago
The process of breaking food is to release energy is called _____​
just olya [345]

Answer:

The process by which food is broken down to release energy is called respiration

I hope it helps.

6 0
3 years ago
Read 2 more answers
(02.03 LC)
OLga [1]
The age of earth I think
3 0
3 years ago
Read 2 more answers
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