Answers
Answer:
Situation 7, also thats funny you were playing nurses office. I like that song. Hope this helped!
Related Questions
I need help ASAP!!!!!!!!
Answers
Answer:
abcdefghijklmnopqrstuvwxyz
Explanation:
I pooped the bed last night when I farted
2. C
3. I think 10m/s
Balance this reaction:
(_)NH3 + (_)H2SO4 = (_) (NH4)2SO4
1.2.2
2,1,1
2.2.1
Answers
Answer: 2,1,1
Explanation:
Leon is creating a model using the items in the picture below. How could he best improve his model?
O
Earth
Moon
Sun
Make the earth larger than the sun
Make the moon larger than the sun
Make the sun smaller than the earth
Make the moon smaller than the earth
Answers
Make the moon smaller than the Earth.
(04.05 LC) In which of the following forms is carbon present in the atmosphere? Carbon dioxide Glucose Oil Water vapor
Answers
Answer:
Carbon dioxide
Explanation:
that's all I can say
Why is it important to know the temperature of the water when dealing with ions in
an aqueous solution?
Water does not ionize at higher temperatures.
Water becomes very acidic when at low temperatures.
Temperature affects the concentration of water.
The ionization constant of water is usually given at 25 °C.
Water at a higher temperature will produce more ions than water at a lower temperature.
Answers
Answer:
temperature affects the concentration of water
NEED HELP!!!
Element X has three electrons in its outermost orbit.
Element Y has seven electrons in its outermost orbit.
What is the chemical formula of the ionic compound
formed by these elements when they react together?
(Use X and Y as the chemical symbols.)
Answers
Answer:
A has 3 electrons in outermost orbit and B has 6 electrons in its outermost orbits. So A can give three electrons to complete its octet and B need 2 electrons to complete its octet. so 2 atoms of A will release 6 electrons and 3 atoms of B will need six electrons to complete their octet So, the formula will be A2 B3.
The chemical formula of the ionic compound formed by these elements when they react together is X₂⁺Y₃⁻.
What is the chemical formula?A compound's makeup is symbolically represented by its chemical formula. It contains charges, ions, etc.
X has 3 electrons in its furthest outer orbit, while Y has 6 electrons there. In order to complete its octet, X can contribute three electrons, but Y requires two electrons.
So, three atoms of Y will require six electrons to complete their octet, while two atoms of X will release six electrons.
Here, the chemical formula is X₂⁺Y₃⁻, as X is donating an electron so it will gain a positive charge, and Y is gaining an electron, so it will gain a negative charge.
Thus, the chemical formula of the ionic compound is X₂⁺Y₃⁻.
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What rule/principle States that electrons fill orbital from lowest energy to highest energy?
A: Aufbau principle
B: Hund's rule
C: Pauli exclusion principle
Answers
The orbital filling and electron configuration are based on various principles. The Aufbau principle states that electrons fill the orbital from lowest to highest energy levels. Thus, option A is correct.
What is the Aufbau principle?The Aufbau principle is the rule that states about the filling of the electron in the various orbitals of an atom. It defines the filling of the lower atomic orbitals before the higher levels are filled.
This principle allows for determining the electronic configuration of the atom. The rule states that the electron first occupies the lowest energetically unrestricted orbits that can hold a certain number of electrons. The electron can only move to a higher level when the electron is filled in the previous subshell.
Therefore, option A. the Aufbau principle gave the filling of electrons in the lowest energy level.
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List four rules for rounding numbers.
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Answer:
the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30
Rounding fractions works exactly the same way as rounding whole numbers. The only difference is that instead of rounding to tens, hundreds, thousands, and so on, you round to tenths, hundredths, thousandths, and so on.
By rounding off, you could easily figure out that you would need about $6.00 to pay for your groceries.
what is a geochemist
Answers
The stability of atomic nuclei is most affected by the
a)number of N
b) number of e
c) number of P
d) ratio of N to P
ASAP PLZZ
Answers
How many milliliters does 80 g of a 2 g/mL density liquid take up?
Answers
Answer:
40mL
Explanation:
Given parameters:
Mass of liquid = 80g
Density = 2g/mL
Unknown:
Volume of the liquid = ?
Solution:
Density of a substance is its mass per unit volume.
It is expressed as:
Density = [tex]\frac{mass}{volume}[/tex]
Volume = [tex]\frac{mass}{density }[/tex]
So;
Volume = [tex]\frac{80}{2}[/tex] = 40mL
which element group makes computers and calculators
Answers
A mole of Br2 and a mole of CH2Br2
Select one:
A. have a mass of 1g each
B. contain the same number of molecules
C. contain one molecule each
D. have the same mass
Answers
The term mole is defined as the amount of substance of a system which contains as many elementary entities. A mole of Br₂ and a mole of CH₂Br₂ have a mass of 1g each. Therefore, option A is correct.
What do you mean by mole ?The term mole is defined as the amount of substance of a system which contains as many elementary entities.
1 mole is equal to 6.023 × 10 ²³ molecules.
One mole of any substance is equal to 6.023 × 10²³ units of that substance such as atoms, molecules, or ions. The number 6.023 × 10²³ is called as Avogadro's number or Avogadro's constant.
The mole concept can be used to convert between mass and number of particles.
A mole of Br₂ and a mole of CH₂Br₂ have a mass of 1g each. Because one mole of substance is equal to 6.023 × 10 ²³ molecules.
Thus, option A is correct.
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5. A box with a volume of 22.4 L contains 1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C. Which of the following statements is true?
A. The total pressure is 202 kPa.
B. The partial pressure of N2 is 101 kPa.
C. The total pressure in the box is 101 kPa.
D. The partial pressures of N2 and H2 are equal.
Answers
B. The partial pressure of N2 is 101 kPa
Further explanationGiven
volume = 22.4 L
1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C
Required
Total pressure and partial pressure
Solution
Ideal gas law :
PV = nRT
n total = 3 mol
T = O °C + 273 = 273 K
P = nRT/V
P = 3 x 0.08205 x 273 / 22.4
P total = 3 atm = 303,975 kPa
P Nitrogen = 1/3 x 303.975 = 101.325 kPa
P Hydrogen = 2/3 x 303.975 = 202.65 kPa
Answer:The partial pressure of N2 is 101 kPa
Explanation:
6. List the following particles in size order, from
biggest to smallest?
Answers
Answer:
the particles, molecules, and gas range from smallest to largest in the following order: electron < proton < atom <...
(20 points)
Dracens based on the headlines in the newspapers or electronic
mens watched news on television or listened radio nas program about
uwelated comes in the Philippines, write down/create 10 headlines about
drugs
Answers
Answer:
Scammer
Explanation:
¯\_(๑´ω｀๑)_/¯
Scammer
? + HCl -> FeCl2 + ?
CaO + ? -> Ca(NO3)2 + ?
? + Cu(OH)2 -> CuCl2 + ?
Answers
Answer:
1. Fe / H2
2. HNO3 / H2O
3. HCI / H2O
Answer:
1. Fe / H2
2. HNO3 / H2O
3. HCI / H2O
10. When carrying out the
experiment with magnesium
and sulphuric acid, why do you
add magnesium until it stops
fizzing?
Answers
Answer:
To make sure all the sulphuric acid has been used up
Does the following statement describe revolution or rotation?
When it is daytime in one area of the world it is nighttime on the opposite side of the world,
A)Rotation
B)Revolution
Answers
Answer:
this describes rotation
Explanation:
rotation means spinning on an axis, revolution means going in a circle around an object. a year would be a revolution and a day would be a rotation.
A magnet is different from a piece of iron that is not magnetic because
Answers
Answer:
Under normal conditions, a magnetic material like iron doesn't behave like a magnet because the domains don't have a preferred direction of alignment. On the other hand, the domains of a magnet (or a magnetized iron) are all aligned in s specific direction.
Explanation:
Convert a measurement of 89 cg to its equivalent in mg
Answers
Answer:
1 cg = 10 mg
Explanation:
So, 89cg = 89 * 10 = 890mg!
Pls thank, 5star, and brainliest!
What is a similarity between the respiratory and excretory systems?
A They both break down food.
B They both remove waste from the body.
C They both exchange gases within the body.
D They both transport nutrients throughout the body.
Answers
Answer:
B
Explanation:
The respiratory removes carbon, and the excretory removes other waste products
what atom makes up the end of a pencil
Answers
Answer: carbon atoms
Explanation:
carbon atoms because carbon has an atomic mass of 12. Atomic mass is the mass of an atom. It is calculated as the sum of the number of protons and neutrons in the atom, because protons and neutrons make up the majority of the atom's mass.
what kind of substance is rust
Answers
Elements make up all things. What is it called
Answers
Answer:
Matter
Explanation:
All matter is made up of substances called elements
Precipitation falls in these two forms: Solid / Liquid / Gas I’ll give you 77 and read the pdf
Answers
Answer:
It falls in Liquid and Solid.
Explanation:
4) What is the Formula weight of MgCl2 and the explanation.
Answers
95.21 g/mol
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Reading a Periodic TableExplanation:Step 1: Identify
MgCl₂
Step 2: Find Formula Weight
[PT] Molar Mass of Mg - 24.31 g/mol
[PT] Molar Mass of Cl - 35.45 g/mol
Molar Mass of MgCl₂ - 24.31 + 2(35.45) = 95.21 g/mol
1.State the relationship between the following properties:
a) mass and number of moles__________
b) number of moles and number of particles __________
6. Show how you will compute for the number of particles given the following:
a) Mass of the sample__________
b) Number of moles of the sample__________
Thankyouu po sana my mag answer
Answers
Answer:
bytbyufvguv vvg uggy yvgu vgu gyu7yng8ugng88yn
How does the freezing point of a substance relate to its melting point?
Answers
Answer:
The melting temperature of a solid is generally considered to be the same as the freezing point of the corresponding liquid; because a liquid may freeze in different crystal systems and because impurities lower the freezing point, however, the actual freezing point may not be the same as the melting point.
#carryONlearningHow does slash and burn affect the earth's atmosphere?
Question 2 options:
less plants to take in carbon dioxide
more cows produce more carbon dioxide
less water for carbon dioxide to dissolve in
2 of the above
all of the above
Answers
Answer:There are many problems that result from this method of growing crops, including deforestation, a direct consequence of cutting down forests for crop land; loss of habitat and species; an increase in air pollution and the release of carbon into the atmosphere—which contributes to global climate change; and an increase
Explanation:
