How is fission different than alpha or beta decay?
Fission is when the parent atom splits into two daughter products. Whereas atom with a mass number is lower by 4 and an atomic number is lower by 2.
Is nuclear fission alpha or beta?Fission outcomes emit beta radiation, while actinides mainly emit alpha radiation. Many of each also radiate gamma radiation.
The beta decays form an isobaric, fission-product decay chain for each mass number.
Thus, Fission is when the parent atom splits into two daughter products.
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Why is fusion only possible with small nuclei?
Answer:
The measurement of the mass of nuclei has revealed that the mass of the constituent protons and neutrons is more than the mass of the nucleus
Explanation:
Hope this helps ya have a nice day
What is represented in the image?
A: a space-filling model
B: a ball-and-stick model
C: a chemical formula
D: a structural formula
Answer:
A structural formula is shown, making the answer D.
Calculate the volume in mL of 0.279 M Ca(OH)2 needed to neutralize 24.5 mL of 0.390 M H3PO4 in a titration.
Note: the answer should have 3 significant digits. Do not include the unit mL in the answer.
The volume of the 0.279 M Ca(OH)₂ solution required to neutralize 24.5 mL of 0.390 M H₃PO₄ is 51.4 mL
Balanced equation2H₃PO₄ + 3Ca(OH)₂ —> Ca₃(PO₄)₂ + 6H₂O
From the balanced equation above,
The mole ratio of the acid, H₃PO₄ (nA) = 2The mole ratio of the base, Ca(OH)₂ (nB) = 3How to determine the volume of Ca(OH)₂ Molarity of acid, H₃PO₄ (Ma) = 0.390 MVolume of acid, H₃PO₄ (Va) = 24.5 mLMolarity of base, Ca(OH)₂ (Mb) = 0.279 MVolume of base, Ca(OH)₂ (Vb) =?MaVa / MbVb = nA / nB
(0.39 × 24.5) / (0.279 × Vb) = 2/3
9.555 / (0.279 × Vb) = 2/3
Cross multiply
2 × 0.279 × Vb = 9.555 × 3
0.558 × Vb = 28.665
Divide both side by 0.558
Vb = 28.665 / 0.558
Vb = 51.4 mL
Thus, the volume of the Ca(OH)₂ solution needed is 51.4 mL
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PLS HELP FAST!! 50 POINTS AND BRAINLEYIST FOR WHOEVER ANSWERS THIS FASTEST.
In one to two sentences, describe the characteristics of a high-pressure system.
In one to two sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.
ALSO, IF YOU COPY, PLEASE REWORD SENTENCES.
A high pressure system has higher pressure at its center than the areas around it
Scientists that work in Antarctica mostly refer to the majority of the continent as being a cold desert
Explanation:
______ contributes to the nitrogen cycle by removing nitrogen from the air and converting it into a form that is usable by plants.
A. earthworms
B. bacteria
C. fungi
D. plants
Answer:
bacteria
Explanation:
Bacteria removes nitrogen from the air and converts it into a form that is usable by plants.
Answer:
Bacteria
Explanation:
I took the test and got it right
Help me please, Im giving brainliest answer.
Answer:
Sodium nitride is exothermic reaction and hydrochloric acid is endothermic reaction.
potassium hydroxide → potassium oxide + water
-
how do i balance this equation?
2KOH --> K²O + H²O
Explanation:
Potassium Hydroxide = KOH
Potassium oxide = K²O
Water = H²O
KOH --> K²O + H²O
K = 1. K = 2.
2KOH --> K²O + H²O
O = 2. O = 2.
H = 2. H = 2.
Balanced symbol = 2KOH --> K²O + H²O
Balanced word = 2Potassium Hydroxide --> Potassium oxide + Water.
7.06 equilibrium lab report
Chemical equilibrium is a dynamic equilibrium whereby the forward and backward reactions are occurring at the same rate.
What is chemical equilibrium?Chemical equilibrium refers to a situation in which the forward reactions and the backward reactions in a reversible reaction are occurring at the same same same rate.
Factors that affect equilibrium include:
temperature pressure concentrationFor a closed reaction system in equilibrium, the equilibrium position of the reaction will adjust to nullify any changes imposed on the system.
Therefore, chemical equilibrium is a dynamic equilibrium.
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How many grams of hydrogen will be produced from 4.0 moles of Magnesium?
Answer:
8 grams
Explanation:
trust
Please help me
Phylum ___________ contains organisms that have a cutic|e; a f|exible protective covering.
Answer:
B Nematoda
Explanation:
100 points! Chemistry! Please help if you can with the following two questions
H_2S+O_2--->SO_2+H_2O
Balance it
2H_2S+3O_2--->2SO_2+2H_2OSo
Molar mass of oxygen=2(16)=32g/mol
Molar mass of SO_2=2(16)+32=32+32=64g/mol
Moles of oxygen:-
Given mass/Molar mass44.7/321.399molHere
3 mol of Oxygen produces 2 mol SO_21 mol of oxygen produces 2/3=0.6mol SO_2Moles of so_2
0.6(1.399)=0.84molMass of water
0.84(64)53.8gUse the chart below to answer the question.
Answer correctly.
Which species are more closely related?
A) M. furo and F. catus
B) Balenopora and Mustela
C) M. furo and B physalus
D) B. physalus and F. catus
Answer:
Species M. furo and F. catus
Explanation:
When you look at their family name, both species have -lidae at the end, indicating that they are more closely related.
As soon as the rope breaks in picture 4, the car continues to roll forward on its own. This motion is BEST explained by which of the following laws? A. AN object in constant motion tends to remain in motion unless acted on by and unbalanced force. B. For every action there is an equal and opposite reaction/ C. An unbalanced force acting on an object will cause the object to accelerate. D. The force of gravity will cause an object to accelerate toward the earth at a constant rate.
Answer:
what is picture 4 you need to show it
I will give 500 points! What is the composition of Milk?
Answer:In general, the gross composition of cow's milk in the U.S. is 87.7% water, 4.9% lactose (carbohydrate), 3.4% fat, 3.3% protein, and 0.7% minerals (referred to as ash).
Explanation:
i got it ccorerct
Answer:
The milk of goats and sheep is similar in composition to that of cows.
Milk protein consists mainly of casein, and it exists in several classes: α, β, etc. If milk pH falls below 4.6, the casein precipitates. Although casein represents 80–85% of total milk protein, when precipitation occurs, the liquid portion is referred to as whey.
The remaining proteins are found in whey, and they include serum albumin, immunoglobulins, α-lactalbumin, etc. Milk carbohydrate is lactose, and its content is fairly consistent among breeds of milk cows at around 5.0%.
lactose is the main sugar; smaller quantities of glucose and citric acid exist. The fat content varies between ca. 3.5 and 5.0% depending upon cattle breed.
The ash content of around 0.7% consists of a relatively high level of Ca2+ and a lower level of Fe2+.
The pH of fresh whole milk is around 6.6 but it may reach ca. 6.8 from a cow that has mastitis.
Mastitis is an infection of the udder that is most often caused by Streptococcus agalactiae and S. Uberois but sometimes by Staphylococcus aureus or Streptococcus dysgalactiae.
Fresh milk of mastitis cows mainly has leucocytes (white blood cells) >106/ml as compared to nonmetastatic milk which has 70,000/ml leucocytes.
Milk contains a very adequate supply of B vitamins with pantothenic acid and riboflavin being the two most abundant. Vitamins A and D are added for human consumption, and their presence has no known effect on the activity of microorganisms.
Overall, the chemical composition of whole cow’s milk makes it an ideal growth medium for heterotrophic microorganisms, including the nutritionally fastidious Gram-positive lactic acid bacteria. However, the milk microbiota utilizes these constituents and brings about its spoilage.
What is the correct formula that would
result from the combination of the two
ionic species?
K1+ and Cro 2-
Answer:
A
Explanation:
Is not my personal answer, but here is what I found.
"This entity has been manually annotated by the ChEBI Team. Potassium chromate is the inorganic compound with the formula (K2CrO4). This yellow solid is the potassium salt of the chromate anion"
Which of the following molecules contains a covalent bond?
Answer:
m
Explanation:
Answer:
CN is your answer.
Explanation:
Hope this helps!!!
• How do the physical and chemical properties of each packaging type help create new and better product?
Answer:
chemical composition and physical properties of packaging materials determine their ability to fulfill the various functions expected from the package.
If you start with 10 carbon and 3 Hydrogen, what will you end with?
Answer:
The simplest Organic compounds are made up of only Carbon and Hydrogen atoms only. Compounds of Carbon and Hydrogen only are called Hydrocarbons.
Explanation:
SO2 + H2O +_ H2SO3
I need to know how to balance simple direct combination reactions
How many moles of sodium hydrogen carbonate are present in 2.61 grams of this compound?
Molar mass of NaHCO_3
23+1+12+3(16)36+4884g/molNow
[tex]\\ \sf\longrightarrow No\:of\:moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]
[tex]\\ \sf\longrightarrow No\:of\; moles=\dfrac{2.61}{84}[/tex]
[tex]\\ \sf\longrightarrow No\:of\:moles=0.0312mol[/tex]
2. A body was discovered in the woods. The man has been missing for two days. The
average temperature the previous 48 hours was 50° fahrenheit. When the body was
discovered, it was at peak rigor.
The man has been missing for two days. The average temperature the previous 48 hours was 50° fahrenheit. 12-24 hours is the time. body was discovered.
Time is the ongoing progression of existence and things that happen in what seems to be an irrevocable order from the past, present, and forward into the future. It is a quantity that is a part of several measurements that are used to compare the length of events or the gaps between them.
To compare how long they last, to order events, and to measure how quickly things change in the real world or in our conscious experience. Along with the three spatial dimensions, time is frequently referred to as an a fourth dimension. A body was discovered in the woods. The man has been missing for two days. The average temperature the previous 48 hours was 50° fahrenheit. 12-24 hours, body was discovered.
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#SPJ1
1s22s22p63s23p3
what element does this represent
Answer:
Its phosphorus (P)
Explanation:
In writing the electron configuration for Phosphorus the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Phosphorous go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the next two electrons in the 3s. Since the 3s if now full we'll move to the 3p where we'll place the remaining three electrons. Therefore the Phosphorus electron configuration will be 1s22s22p63s23p3.
A compound is 69.9% Fe and 30.1% O. What is the empirical formula?
Answer:
Fe2O3
Explanation:
get the ratio for both Fe and O using relative atomic mass and the percent as the mass
what are the states of matter for the following equation?
6Br⁻ + XeO₃ + 6H⁺ → 3Br₂ + Xe + 3H₂O
Answer:
Explanation:
On the reactant side, XeO3 is a strong oxidizing agent. It can be a solid or gas. Most likely it is in a solid state.
H+ and Br- combine to form HBr which is a weak acid. So H+ and Br- are in an aqueous state.
On the product side, both Br2 and Xe are not very soluble in water. They will be in gaseous state and H2O is water i.e. liquid state.
How many moles of neon gas are there 25.0 L of gas or 5.0°C with a pressure of 89.9 KPa?
Now
[tex]\\ \rm\rightarrowtail PV=nRT[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]
[tex]\\ \rm\rightarrowtail n=\dfrac{89.9(25)}{5R}[/tex]
[tex]\\ \rm\rightarrowtail n=89.9(5)/R[/tex]
[tex]\\ \rm\rightarrowtail n=449.5/R mol[/tex]
What is the most metallic character with low ionization energies
Answer:
Metals tend to lose electrons in chemical reactions, as indicated by their low ionization energies. Within a compound, metal atoms have relatively low attraction for electrons, as indicated by their low electronegativities.
I am so confused that i don't even understand how to answer it
Answer:
What's the question so I can help?
I will just edit my answer when you have asked your question and post it here.
Explanation:
Calculate the number of moles in 625mL of a 3.0 M NaOH solution
This particle, an/a ___ has a negative charge
Answer:
Explanation:
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Tuto questions in Chemistry
This particle, an/a ___ has a negative charge
The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the water…
The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the ains the same throughout the diagram. OC The graph starts at a lower energy value and ends at a higher energy value. Od The potential energy of the products is equal to the potential energy of the reactants.
Energy and Chemical Reactions: Mastery Test 4 Select the correct answer. Which factor is defined as the average kinetic energy of a substance? A. the …mass of the substance B. the volume of the substance C. the pressure of the substance D. the temperature of the substance
2 Select the correct answer. Which is a form of kinetic energy? OA gravitational energy OB. chemical energy OC. electrical energy D. sound energy
23.4 grams of Al2(SO3)3 is yielded through a chemical reaction. How many moles is this?
What is the solubility of NaNO3 at 75C (graphed)
5. Find the molecular formula for a compound with a mass of 40 amu and the empirical formula C2H4.
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