Answer:
The molarity is 11 \(\frac{moles}{liter}\)
Explanation:
Molarity is a measure of the concentration of a solute in a solution that indicates the amount of moles of solute that appear dissolved in each liter of the mixture.
The molarity of a solution is calculated by dividing the moles of the solute by the liters (volume) of the solution:
\(Molarity=\frac{number of moles of solute}{solution volume}\)
Molarity is expressed in units (\(\frac{moles}{liter}\)).
In this case:
number of moles of solute= 5.61 molessolution volume= 0.51 litersReplacing:
\(Molarity=\frac{5.61 moles}{0.51 liters}\)
Solving:
Molarity= 11 \(\frac{moles}{liter}\)
The molarity is 11 \(\frac{moles}{liter}\)
What happens to the atoms that make up hydrogen fuel as it burns?
Answer:
When hydrogen fuel burns, its atoms combine with oxygen atoms in the air, which creates a chemical reaction that releases energy in the form of heat and light. The hydrogen atoms lose their outermost electrons, becoming positively charged ions (protons). These ions combine with the oxygen atoms to form water molecules (H2O), which evaporate into the air as steam. Therefore, the atoms that make up hydrogen fuel ultimately become part of water molecules during the process of combustion.
Explanation:
A flask and a beaker each contain the same amount of water. How are they similar? How are they different?
NEED ASAP
pleaseeee and ty
Answer:It's used for all the reasons a beaker is, but has the advantage of a long, narrow neck. The extended neck makes it possible to swirl a solution vigorously without spilling, and it makes the vessel fairly easy to pour.
Explanation: Took the same testt
What is the charge on the Cr in Cr2O72-
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
Please help, I don't get what does this means
3. Name the compound sodium makes with the following elements.
(a) Calcium carbonate:
Answer: hydrogen-carbonate.
Explanation:Because when carbon dioxide is passed in excess it leads to a formation of hydrogen-carbonate.
I hope everyone finds this helpful
What landscape feature contributes to the dryness of deserts?
A. The open, flat areas of a desert prevent clouds from forming.
B. Desert canyons collect all water and funnel it out of the desert.
C. Desert lakes absorb all the water.
D. Mountains block the winds that bring rain clouds.
Answer:
As I'm Not % Sure I Can Say C & D don't seem Right, Leaving A & B Having Me to Think the Answer is A (Hope I'm Right Good-Luck)
Explanation:
Answer: Mountains block the winds that bring rain clouds.
Explanation: By acting as obstacles to the flow of air masses, mountains contribute significantly to the dryness of deserts. Orographic lifting is a process that occurs when moist air is forced to ascend as it approaches a mountain range. The moisture in the air condenses and forms clouds as the air cools as it climbs. As a result, on the windward side of the mountains, the air loses a lot of its moisture as precipitation. The air has already lost a significant amount of moisture by the time it reaches the leeward side of the mountains, creating a rain shadow effect. On the leeward side of the mountains, this impact results in a dryer area that is often a desert. Consequently, the existence of mountains influences
You may think of changes in climate occurring as you go north or south. This climber stayed at the same latitude and went up. What explains the difference in temperature and climate between the top and bottom of Mt. Kilimanjaro? Please explain in 3-5 sentences thank you for 81 points
Answer: I'm not really sure but I think its dew to the different heights and tempura going up and down and the flow of wind.
Explanation:
Answer:
Mountains make it possible for snow to be found at the equator. Why does the temperature become colder the higher up a Mountain? Generally the climate on mountains get progressively colder with increased altitude (the higher up you go).
Explanation:
What is NOT true about genes and chromosomes?
Genese are located on chromosomes
Chromosomes are in the nucleus
A single chromosome can contain hundreds of genes
All of these are true
Let us go option by option :
1) Genes are located in chromosomes. TRUE
Chromosomes are in cell nucleus. A chromosome contains hundreds and thousands of genes. A normal have 23 pairs of chromosomes, and a total of 46.
2) Chromosomes are the in nucleus.
TRUE
Chromosome is structure found in nucleus of the cell. It is made up of protein and DNA.
3) A single Chromosome can contain hundreds of genes.
TRUE
single Chromosome can contain hundreds of tgenes.
4) All of the above
TRUE
As all the statements above are true. The correct option is 4.
Answer:
all of them are true
Explanation:
this is because chromosomes contain genetic materials and it is present in the nucleus.
Therefore, the correct option is 4) all of these are true
no problem
Is light energy organic or inorganic?
If ATP is in the middle which word goes first? organic or inorganic
It is organic my friend, have a good day
Explanation:
.
Answer:
1. light energy is organic
2. If ATP is in the middle, the word that goes first is organic
how can you determine if the information you are reading is based on science or not?
What is a flame test and can we learn from it?
Answer:
a flame test is used to visually determine the identity of an unknown metal or metalloid ion based on the characteristic color the salt turns the flame of a bunsen burner
Explanation:
yes
Answer: The flame test is an easy experiment to set up and is often conducted in science classes. The principle of the test is that the atoms of the sample evaporate
Explanation:
help
Nicole has 2 glasses on the counter: one of water and one of sugar-water. She is baking a cake and needs to use the sugar-water for the glaze. Both glasses look identical, but one contains a mixture and the other contains a compound.
Is sugar-water a mixture or a compound? Define mixtures and compounds, and explain how, without tasting it, Nicole can test to make sure she is using the sugar-water in the glaze.
Answer:
sugar-water is a mixture not a compound.(homogeneous mixture.)
Explanation:
Compounds are substances formed by the chemical combination of two or more elements. Mixtures are substances formed by physically mixing two or more substances together.
The solution of sugar in water is considered a mixture not a compound because the particles of sugar and water are not completely dissolve nor mixed in a fixed proportion or ratio. hope this helped :)
Which statement describes the process of the cellular respiration?
It takes place only in animal cells and involves chemical reactions with oxygen and releases stored energy.
It takes place in plant cells and involves chemical reactions with carbon dioxide, water, and energy from the sun to produce sugars.
It takes place in plant and animal cells and involves the division of cells.
It takes place in plant and animal cells and involves chemical reactions with oxygen to release stored energy.
es place in plant and animal cells and involves chemical reactions with oxygen to release stored energy.
Answer: option C
Explanation:) It takes place in plant and animal cells and involves chemical reactions with oxygen to release stored energy.
pls mark me the brainliest
The process of cellular respiration occurs in plant and animal cells and involves chemical reactions with oxygen to release stored energy. Therefore, option (D) is correct.
What is cellular respiration?Cellular respiration can be defined as a set of metabolic reactions taking place inside the cells to change biochemical energy obtained from the food into a chemical compound known as adenosine triphosphate (ATP).
Metabolism can be described as a set of chemical reactions carried out to manage the living state of the cells in an organism. These can be divided into two classes: Catabolism is the process of breaking molecules to get energy. Anabolism is the process of synthesizing all compounds needed by the cells.
Cellular respiration takes place in both plants and animals but the method of obtaining energy from cellular respiration is different in plants and animals.
Cellular respiration involves the breakdown of glucose in both plants and animals which provides energy.
Learn more about cellular respiration, here:
https://brainly.com/question/13721588
#SPJ2
Someone please help me if right I’ll give you 5$
Answer:DId you even read it you have to that in your lab class and says you need other information aint no way i can answer that
Explanation:
Match the following.
Drag the appropriate labels to their respective targets.
Answer:
oxygen - O2
chlorine- Cl2
neon- Ne
calcium- Ca
iodine- I
hydrogen- H2
Ne₂(g) - Neon gas (Ne)
I(s) - Iodine solid (I₂)
Ch(g) - Chlorine gas (Cl₂)
Ca(s) - Calcium solid (Ca)
O(g) - Oxygen gas (O₂)
H2(g) - Hydrogen gas (H₂)
Cl(s) - Chlorine solid (Cl₂)
O2(g) - Oxygen gas (O₂)
1. Ne₂(g) - This label represents the chemical formula for neon gas, which is Ne. Neon is a noble gas that is commonly used in neon signs due to its bright orange-red glow when an electric current is passed through it.
2. I(s) - This label represents the element iodine in its solid state. Iodine is a nonmetallic element that exists as a purple-black solid at room temperature.
3. Ch(g) - This label represents a gas called chlorine, which is chemically represented as Cl₂. Chlorine is a halogen gas that is used as a disinfectant and in the production of various chemicals.
4. Ca(s) - This label represents the element calcium in its solid state. Calcium is an alkaline earth metal that is commonly found in rocks, shells, and bones. It is essential for the proper functioning of our bodies and is also used in construction materials.
5. O(g) - This label represents oxygen gas, which is chemically represented as O₂. Oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.
6. H2(g) - This label represents hydrogen gas, which is chemically represented as H₂. Hydrogen is the lightest and most abundant element in the universe. It is used in various industries, such as the production of ammonia and petroleum refining.
8. Cl(s) - This label represents the element chlorine in its solid state. As mentioned earlier, chlorine is a halogen gas, so the correct label for chlorine in its solid state should be Cl₂(s).
9. O2(g) - This label represents oxygen gas, which is chemically represented as O₂. As mentioned earlier, oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.
To know more about Hydrogen gas:
https://brainly.com/question/32820779
#SPJ4
Study the picture of copper. How many connections or bonds does the center atom have to the other atoms?
Will give brainly. How was the ancient idea of elements similar to what we now know about elements, and how was it different?
What is similar about how floodplains and alluvial fans form? What is different?
Which of the following is NOT a cost of using fossil fuels?
Answer: Burning fossil fuels decreases CO2 in the atmosphere
Explanation: Burning fossil fuel actually increases the amount of CO2 in the atmosphere, it doesn't decrease it.
Hope this helps!
There are 3 different answers you can pick from.
no coefficient
2
3
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
How does an atom change if all of its electrons are removed?
p.s. I'll mark the first answer the brainliest if it is correct! ;)
a. The atom’s volume increases.
b. The atom’s mass increases.
c. The atom becomes positively charged.
d. The atom becomes negatively charged.
c. The atom becomes positively charged
if the electrons are removed it means theres no longer a negative charge to balance the positive charge of the protons in the atom
Which of these is an example of how a scientist might use a model?
A) using a stopwatch to clock a runner's mile time
B) measuring the mass of an object with a scale
C) magnifying a group of cells with a microscope
D) building a brain made of plastic with many of its parts labeled
Answer: Marbles placed inside a hollow sphere are used to describe protons in a nucleus.
I need lots of help owo
They need other brands of cleaners to try it out with, and they need the same type of stain and same amount of stain on each same brand and same type of clothing.
plz solve this :D thank u
Answer: D, Prokaryote
Explanation:
Match these items.
1. imprint of plant or animal
original-remains fossil
2. undecayed plant or animal part
carbonized fossil
3. replaced by a mineral
petrified fossil
4. only carbon remains
cleavage
5. mountain
geology
6. from magma
metamorphic
7. from physical and chemical changes
igneous
8. sandstone
print fossil
9. helps identify rocks
landform
10. science of Earth
sedimentary
1. print fossil
2. carbonized fossil
3. petrified fossil
4. cleavage
5. landform
6. igneous
7. metamorphic
8. print fossil
9. geology
10. sedimentary
\(\)
The print fossil, original-remains fossil, petrified fossil, carbonized fossil, landform, igneous, metamorphic, sedimentary, cleavage, and geology are the respective matches as given in the question.
Print fossil is imprint of plant or animal and basically known as fossil impression. Original-remains fossil comprises of the original tissues and parts of organism and undecayed plant or animal part. Petrified fossil is replaced by a mineral. Carbonized fossil is only carbon remains. Landform is a mountain. Igneous is from magma.
Metamorphic is from physical and chemical changes. Sedimentary rocks are sandstone. Cleavage helps to identify rocks. Geology is the study of science of earth.
Learn more about rocks and fossils:
brainly.com/question/2168243
Which object has the most kinetic energy?
A. a train that is stopped
B. a car moving at a slow speed
C. a train moving at a slow speed
D. a car that is stopped at the top of a hill
WHOEVER ANSWERS FIRST GETS BRAINLIST
Describe the difference between conductors and insulators, give two examples of each.
Answer:
Conductors allow electricity to pass through them, while insulators do not allow electricity to pass through them. Two examples of conductors are iron and steel. Two examples of insulators are plastic and glass.
Explanation:
When you put conductors in a circuit, it would result in a closed circuit while when you put insulators in a circuit, it would result in an open circuit. This is mainly because electricity can pass through conductors but not insulators. Metals are mostly conductors of electricity while non-metals are mostly not.
What results when two waves that are completely out of phase meet?
A: constructive interference that results in a greater amplitude
B: destructive interference that results in a greater frequency
C :destructive interference that results in a lower amplitude
Answer:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
Explanation:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
The eye symbol represents Which hazards
Answer:
This one should be REALLY easy for everybody to know but the answer is anything that can pose a hazard to your eyes
Explanation:
Answer:cyclone
Explanation: