Answer: ph scale
Explanation:
When baking soda is mixed with vinegar, bubbling is observed. This is because of a chemical reaction which involves the evolution of carbon dioxide gas. This reaction is used as an indicator of carbon dioxide.
What is an Indicator?An indicator in chemistry is any substance that gives a visible sign or indication of a chemical species by a change in color. An indicator is generally used to identify an acid or an alkali present in a solution.
Indicators are weak acids or alkalis that show a change in color as the concentration of hydrogen ions in solution changes. Commonly used chemical indicators include Litmus, turmeric, Methyl Orange, phenolphthalein, etc.
When baking soda is mixed with vinegar evolution of gas bubbles is observed. This gas when passed through lime water, the solution turns milky which confirms the presence of carbon dioxide in solution.
Therefore, chemical indicators can be used in identification of a chemical species.
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Which of the following does NOT play a role in South Florida’s climate?
A. latitude
B. beach erosion
C. ocean currents
D. global wind patterns
Answer:
B
Explanation:
Latitude has impact on radiation, ocean currents partially determine temperature, and wind patterns influence temps. Elimination gives B.
Fill in the blanks, please
A(n)_______________wave can travel through empty space or through matter.
There are_____________types of wave motion-transverse ________________, and a comination of both.
This is about WAVE and this is SCIENCE
Answer:
For the first one it is Electromagnetic waves and the second one is longitudinal and transverse and water water waves (I’m sorry if I get the second one wrong for you but the first I put is right)
Explanation:
An electromagnetic wave can travel through empty space or through matter.There are 2 types of wave motion-transverse ,longitudinal and a combination of both.
What is an electromagnetic wave?The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.
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fill in the blank ......
A(n)____________is a disturbance that transfers_____________from one place to another without transferring__________.
This if about WAVES fill in the blank and this is science work due today Thanks!!
Answer:
1 wave 2 energy 3 matter those are the blanks
Explain what a trait is in your own words.
Equal but opposite forces are said to result in a(n)_____force of zero
Answer:
WHAT ARE THE OPSHIONS
Explanation:
4P + 5O2 → P4O10 How many phosphorus (P) atoms are on each side of the equation? How many oxygen atoms are on each side?
Answer:
4 p and 10 O on both sides
Explanation:
on the reactant side you can see easily that there are 4 P. With the oxygen on the reactant side you take the coefficient (5) times the subscript (2) which gives a total of 10 Oxygens.
On the product side there is a subscript of 4 next to the p, and a subscript of 10 next to the O
They are equal on both sides so you are done.
PLS HELP I DONT KNOW THAT THESE PEOPLE R ASKING MEEEEE PLS ANSWER IT PLSSSSS
When mineralization occurs, what is the nature of the fossilized material?
Answer:
Fossils could be anything dug up from the ground, including crystals or human artifacts, but some of these objects aren't organic. Among the ones that were organic, they turned into a recognizable resemblance to living organisms.
Explanation:
there you go
Answer: here is an example
Explanation:
A common mode of fossilization is mineralization, the replacement of organic material by inorganic minerals. The most common dinosaur fossils are the mineralized remains of bones and teeth. Bones are composed of calcium phosphate and organic material. Common mineralizing media are calcite, iron minerals, and silica.
Please help me out with this question if you help me I will give you the brain thing and extra points. 7/9 image below.
Answer:
B.
Explanation:
his forse is much greater than the forse of the air air pushing him backwards
no other explanation :)
Can someone shorten these definitions?
illuminate Supply with or brighten with light.
stable Firmly established; not changing, moving, or fluctuating.
rotate move around a center, or axis
solar day The time that the earth takes to make one complete rotation relative to the sun. It is 24 hours.
longitude The distance in degrees measured east or west of the prime meridian; expressed either in degrees or in time. (Lines of longitude are 15 degrees for telling time.)
meridian An imaginary line running in a circle around the earth through the poles.The Prime Meridian runs through Greenwich, England.
autumnal equinox. On or about September 22, when the days and nights are equal.
ellipse An egg-shaped orbit of a heavenly body. The shape of the earth’s orbital path around the sun
galaxy. One of billions of heavenly systems consisting of numerous stars. An example is the Milky Way.
orbit The curved pathway of a heavenly body through space.
vernal equinoxThe spring equinox, on about March 21, when days and nights are of equal length.
eclipse. Complete or partial blocking of light passing from one heavenly body to another, causing the darkening of one heavenly body by a shadow.
penumbra The lightest part of the shadow (around the edges) outside of the complete shadow formed during an eclipse.
umbra The darkest part of the shadow formed during an eclipse.
Vernal means “of spring”
Total lunar eclipse when the mood is entirely immersed within the umbral shadow. In a lunar eclipse, the moon appears to be darkened because the earth is casting a shadow on it.
Please help me out with this question if you help me I will give you the brain thing and extra points. 4/9 image below.
Answer:
It’s C
Explanation:
Answer:
B.
Explanation:
i think. hope you are doing well
This thin layer surrounds all cells and controls what materials can enter or exit.
A) chloroplast
B) nucleus
C) cytoplasm
D) cell membrane
E) mitochondria
F)Golgi body
H) ribosomes
I) vacuoles
J)cell wall
K) endoplasmic reticulum
L) lysosome
Answer:
Explanation:
D) Cell memberane
Due to the abundance of _________________, large herds of _________________ and _________________ animals thrive in the savanna. Large, fast-moving _________________ hunt the herbivores, who each have their own special adaptations that allow them to survive
Answer:
Africa
zebra
giraffe
carnivore
sorry if im wrong
Explanation:
does fertilizer A grow bigger tomatoes
Answer:
I think
Explanation:
I never use it i usally grow my tomatoes
