CHEMISTRY HIGH SCHOOL

Which material is the least likely to be recognized as a mixture by looking at it under a microscope

Answers

Answer 1
Answer:

Answer:

Exa homogeneous mixtureplanation:

Related Questions

if the proper dosage of a drug is 2.0mg/kg of body weight, how many milligrams (mg) of the drug would a 110 lb individual need? (5%)
Imagine that an uncharged pith ball is brought into the electrostatic field of a charged tod. The side of the pith ball closest to the negatively charged end of the rod will
What is something a scientific law and a scientific theory have in common? Responses A Both are backed up by evidence and facts Both are backed up by evidence and facts) B Neither can be proven correct Neither can be proven correct) C Both make a statement about a scientific phenomenon Both make a statement about a scientific phenomenon0, A Both answer "why")
The compound HCI is an example of a (n)
describe the" fear appeal" and how it's used in public messaging. Give an example or create your own public health message using the fear appeal.

How many atoms of carbon are in the sample

Answers

there are six atoms in the carbon

If the volume and moles of a container are held constant, the temperature of a gas is inversely proportional to the pressure. TRUE
FALSE

Answers

Answer:

FALSE

Explanation:

Assuming that the gas is ideal

Therefore the gas obeys the ideal gas equation

Ideal gas equation is

P × V = n × R × T

where

P is the pressure exerted by the gas

V is the volume occupied by the gas

n is the number of moles of the gas

R is the ideal gas constant

T is the temperature of the gas

Here volume of the gas will be the volume of the container

Given the volume of the container and number of moles of the gas are constant

As R will also be constant, the pressure of the gas will be directly proportional to the temperature of the gas

P ∝ T

∴ Pressure will be directly proportional to the temperature

How might you estimate the minimum temperature

Answers

To estimate for the minimum temperature of a daily forecast of low temperature, the first estimate would be the dew point temperature approximately an hour before the daily high temperature is reached. I hope this helps you on your assignment. 

What is the #1 or main component of the earths ancient atmosphere?

Answers

I am pretty sure it was composed of mostly CO₂.  

According to one acid-base theory, water acts as an acid when an H2O molecule(1) accepts an H+ (3) accepts an H-
(2) donates an H+ (4) donates an H-

Answers

Final answer:

According to the Brønsted-Lowry acid-base theory, water is acting as an acid when a water molecule donates an H+ ion. This also illustrates that water can behave as both an acid and a base due to its amphoteric nature.

Explanation:

According to the Brønsted-Lowry theory of acids and bases, water acts as an acid when a H2O molecule donates an H+. This is because an acid is defined as a substance that can donate a proton, which is a hydrogen ion (H+). Water (H2O) can act as both an acid and a base due to its amphoteric nature, but in this context where we have to choose between these four options, water acts as an acid when it donates an H+. An example of this is when water donates an H+ to ammonia (NH3), producing the ammonium ion (NH4+) and a hydroxide ion (OH-).

Learn more about Acid-Base Theory here:

brainly.com/question/15516010

#SPJ12

Mindy and her lab partner conducted flame tests of several metallic salt solutions. They dipped a wire loop into each salt solution, and one by one, heated the sample in the Bunsen burner flame. Based on their results, which element produced a colored light with the lowest energy?A) barium
B) calcium
C) copper
D) potassium

Answers

Flame tests of metals produce various colors. The colors produced by each of the choices are:

A. barium - pale green
B. calcium - yellow red
c. copper - green blue
d. potassium - lilac

Using the visible light spectrum, it can be determined that the metal with the lowest energy is B. calcium. This is because the color yellow-red is near the end of the spectrum with the longest wavelength. Since wavelength is inversely proportional to energy, calcium has the lowest energy.

Answer:

B

Explanation:

The color of the emitted light depends on the energy. According to the arrangement of the electromagnetic spectrum, the color red has the lowest energy, the lowest frequency, and the largest wavelength
Other Questions
Who placed all the elements in the right place according to their properties
Why is ice melting a physical change?
Can Sodium be used to distinguish between cyclobutanol and butanoic acid
Which molecules shown on the graph above are likely candidates for evaporation? 1. molecules under the left end of the curve 2. molecules under the apex of the curve 3. molecules under the right end of the curve 4. all molecules under curve "T2"