If a building is anchored into the ground, it
A. was constructed on that particular spot many years ago
B. has water and electrical resources available
C. is built on a solid foundation and unlikely to shift
D. is likely to be damaged due to land subsidence
Please select the best answer from the choices provided
O A
c
B
U
a
D
Answer: C. Is built on a solid foundation and unlikely to shift
Explanation: If a building is anchored into the ground, it is built on a solid foundation and unlikely to shift .
Answer:
C. Is built on a solid foundation and unlikely to shift
Explanation:
IUPAC name for BaSO3
Answer:
Barium Sulfite
Explanation:
Barium Sulfite
The IUPAC name for BaSO₃ is barium sulfite.
"Ba" stands for barium, which is the chemical symbol for the element with atomic number 56. Barium is an alkaline earth metal and belongs to Group 2 of the periodic table.
"SO₃" stands for sulfite, which is a polyatomic ion composed of one sulfur atom (S) and three oxygen atoms (O). The chemical formula for the sulfite ion is SO₃²⁻. The sulfur atom in the sulfite ion has a +4 oxidation state.
When barium (Ba) reacts with the sulfite ion (SO₃²⁻), they combine to form barium sulfite (BaSO₃). The balanced chemical equation for the reaction is:
Ba²⁺ + SO₃²⁻ → BaSO₃
Barium sulfite is an ionic compound, where the Ba²⁺ ion and the SO₃²⁻ ion are held together by electrostatic attractions (ionic bonds). In its solid form, barium sulfite appears as a white crystalline powder.
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A cup of hot water contains fewer molecules than a tub of hot water. This same cup of hot water will freeze faster than a tub of hot water. The total thermal energy of a system is not only dependent on the state of the material but also on the (resistance, heat, temp, half-life) and the total number of (atoms, currents, compounds, electromagnetic waves) in the system.
Answer:
The correct options are;
1) Heat
2) Atoms
Explanation:
The heat required to raise a unit mass of a substance by one degree which is the specific heat capacity of the substance, is a quantity characteristic of a given substance and the amount of temperature change experienced by the substance when an amount of heat energy transferred to the substance is a function of the mass of the substance, which is a function of the number of atoms present in the substance.
So also, the total thermal energy that is stored by a substance, that causes a given amount of temperature change, is a function of the heat capacity of the substance.
what is the chemical name of CCI3
Answer:
Trichloromethyl radical
Explanation:
Answer:
trichloromethanide
Hope this helped
Identify the reaction type shown and describe the clues that were used to identify it.
Fe2O3 + 2SiO2 → Fe2Si2O7
true or false there is a risk of explosion in factories handling powders such as custard powder
Answer:
True? I think so At least
Explanation:
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green
Answer:
This strange green slime is a colonization of fungi caused by the humidity of the bathrooms, which to be eradicated requires a non-specific antimicrobial such as sodium hypochlorite that generates an osmotic imbalance producing a fungicidal effect.
Explanation:
The fungi that appear in the form of slime at the microscopic level have many forms of colonization, by adding coconut milk it was assumed that this would generate an environment not suitable for their metabolism and reproduction but this did not happen, therefore they continued their reproduction.
Answer:
Explain?
Explanation:
After lab, all of Darrel's friends looked at his data and laughed and laughed. They told him that he was 30.8% too low in the boiling point he had just recorded. He had recorded a boiling point of 50o C on his data sheet. What is the correct boiling point of the liquid he was working with in lab?
Answer:
100°
Explanation:
For a boiling point is it always 100°
Identify the choice that best completes the statement or answers the question.
Banana slugs live on the ground in moist forests of the Pacific Northwest. They consume and
break down a variety of materials, including small dead animals and rotting leaves. Which
term describes banana slugs?
O carnivores
O consumers
O decomposers
O producers
PLEASE HELP!!!
Name for each compoud
1.CO
2.H2SO4
3CaCO3
4 H202
5NaF
whats the mass number for titanium if it has 27 neutrons?
Answer: 49
Explanation: Mass number is protons + neutrons. So that would be 22 + 27 which gives you 49
Chloe is training for her first half-marathon, which requires her to run 21.1 km. Before she runs, she carefully chooses the foods that will give her the energy her body requires for the race. She stands still at the starting line, then she starts running, her body warming up as she runs. Which three energy transformations take place in this example? Potential energy to kinetic energy Chemical energy to thermal energy Chemical energy to kinetic energy Mechanical energy to chemical energy
Answer:
The transformation is of chemical energy (use the ATP molecule as a resource) which is then transformed into mechanical energy (muscle contraction) and finally transformed into thermal energy (increase in body temperature, or sweating)
Explanation:
Energy is never lost, it is always transformed, that is why energy is yielding electronic movement and expressing itself in different ways, first as chemical energy, then as mechanical energy, and lastly as thermal energy.
It is important to clarify that the energy source of all this transformation is food and energy reserves.
how does litmus indicator work
What was Pangea and when did it form?
Answer:
Pangaea or Pangea ( /pænˈdʒiːə/) was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 335 million years ago, and it began to break apart about 175 million years ago.
Explanation:
Do 2. A student determines that there are 1.3 x 1025 molecules of an unknown
substance in a 968 g sample. Which compound most likely represents this
unknown substance?
CO
CIO
2)
CO2
N203
CLEAR ALL
Answer:
The correct option is;
CO₂
Explanation:
The given information are;
The number of molecules in the substance = 1.3 × 10²⁵
The mass of the substance = 968 g
Therefore, we have;
The number of molecules in one mole of a substance = 6.02 × 10²³
The number of moles present = (1.3 × 10²⁵)/(6.02 × 10²³) ≈ 21.595 moles
Therefore, 968 g = 21.595 moles
1 mole = 968/21.595 = 44.826 g
The mass of one mole of the substance = 44.826 g
Therefore the mass of one mole of the substance is closely related to the mass of one mole of CO₂ which is 44.01 g/mol.
The correct option is CO₂
The calculation is as follows:The number of molecules in one mole of a substance should be = 6.02 × 10²³
And,
The number of moles present is
= (1.3 × 10²⁵)/(6.02 × 10²³)
≈ 21.595 moles
Now
1 mole = 968/21.595 = 44.826 g
The mass of one mole of the substance = 44.826 g
So, the mass of one mole of the substance is closely related to the mass of one mole of CO₂ i.e. 44.01 g/mol.
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Do you think your meal would allow your cells to sufficiently build your cell
membranes? Why or why not?
Answer:
Cells are the fundamental units of life ' the bricks from which all your. which are built of your cells, will become compromised, and you can. of these new cells from the nutrients you get in your food is one way. Let's take a look inside one of your cells and see what the nutrients really do.
Explanation:
the making of ice cubes is an endothermic reaction
Answer:
no
Explanation:
it is not endothermic reaction
Suppose you wanted to calculate the heat of reaction for the formation of ammonia gas and hydrochloric acid from solid ammonium chloride. Write a balanced equation for this reaction
Answer:
NH4Cl (s) → NH3 (g) + HCl (aq)
What is ionization energy?
lonic bonding
10. If two atoms that differ in electronegativity combine by chemical reaction and
share electrons, the bond that joins them will be
(1 Point)
ionic bond
polar covalent
nonpolar covalent
a hydrogen bond
Answer:
polar covalent
Explanation:
If they do not equally share the electron then it is polar and covalent bonds share electrons
Use the rules of significant figures to report the answer to this math question: (454.3 cL x 17.84 dL )/3.1 L =
Answer:
2614.423226
Explanation:
Ni(OH)3 +
Pb(SO4)2 →__Pb(OH)4 +
Ni2(SO4)3
what is the balance
Answer:
4+3=3+3+2
Explanation:
4Ni(oh)3+3pb(so4)2=3pb(oh)4+2Ni2(so4)3
Enter the symbol of the element which would have 36 electrons and -3 charge.
Answer:
Arsenic if I understood correctly
Explanation:
Ions can be made by single element or covalently bonded group of elements. The covalently bonded group of elements is called polyatomic ions or polyatomic atoms. Therefore, the element with atomic number 33 and -3 charge is Arsenic.
What is Ions?Any species that contain charge whether it is positive charge or negative charge is called ions. The example of polyatomic ions are sulfate, phosphate, nitrate etc.
Cation is the species that loose electron and attain positive charge while anion is a species which gain electron and attains negative charge so when anion and cation combine in fixed ration the the overall charge of the molecule is zero that is molecule is neutral, the charge over cation and anion is also called oxidation state. The element with atomic number 33 and -3 charge is Arsenic.
Therefore, the element with atomic number 33 and -3 charge is Arsenic.
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PLS ANSWER!! ASAP!!! 10 POINTS!!
Why are metals in Group 1A so reactive?
A. These metals need one electron to complete their outer shell.
B. These metals need two electrons to complete their outer shell.
C. These metals have one electron in their outer shell.
D. These metals have two electrons in their outer shell.
Answer:
the answer is = a. these materials...
The metals of Group 1A are so reactive because these metals have one electron in their outer shell. Therefore, option (C) is correct.
What are the metals of Group 1A?The elements of Group 1A of the periodic table are also called alkali metals. The seven elements of group 1 A include hydrogen(H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).
These are low-melting, extremely reactive, glossy metals that oxidize when exposed to air. When dissolved in water, these metals or their oxides produce a basic solution. Because of their high reactivity, alkali metals are instead found as ionic compounds (except hydrogen).
The general electronic configuration of the alkali metals is ns¹. As they lose one electron from their valence shell they acquire the nearest noble gas configuration, therefore they are very reactive.
The alkali metals are all lustrous, soft, and extremely reactive metals at normal temperature and pressure that quickly lose their valence electrons to create cations with charge +1.
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Please help me on Q2
I’ll be so incredibly grateful!!
Answer:
No. of neutrons = 27 - 13 = 14
No. of protons = No. of electrons = 13
Hope it helps you
why people on earth cannot see the entire shape of the milky way
Answer:
Explanation:
That is because the Milkyway is full of dust and gas, you cannot really see something if it has dust and gas
Answer:
Its too far away to see
Explanation:
You would probably have to be in space
Rain exist in which phase
Answer:
WATER!!!!!
Explanation:
hope it helps
the number of moles in 4.5 x 10^24 atoms of oxegen is
Answer:
The answer is 7.48 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\ [/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{4.5 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 7.47508...[/tex]
We have the final answer as
7.48 molesHope this helps you
How to separate these pure substance?if it is not possible, please write cannot be separate
Oxgen
Water
Gold
Carbon Dioxide
Carbon
Answer:
Oxgen- cannot be separated
Water - chemical change
Gold - cannot be separated
Carbon Dioxide - chemical change
Carbon - cannot be separated
Explanation:
A pure substance, which can either be an element or a compound, contains only one type of such element or compound. In opposition to a mixture, pure substances cannot be separated by physical means.
- Elements as a pure substance cannot be separated because it contains only one type of atom. However, compounds contain two or more types of atoms, and hence, can only be separated into its individual atoms via chemical means.
In this question, oxygen (O2), Gold (Au) and carbon (C) are all elements and hence cannot be separated. Carbon dioxide (CO2) and water (H2O) are compounds because they contain two different atoms respectively, hence, can be separated into individual atoms.
POSSIE Gallium (Ga) is a soft, silvery metal used primarily in electronic circuits, semiconductors, and light-emitting diodes (LEDs). It is also useful in high-temperature thermometers, barometers, pharmaceuticals, and nuclear medicine tests. Which electron configuration represents the electrons in an atom of gallium at ground state? O1s 2s22p63s23p64524d104p? O 182 2s22p63s23p64s24p1 o 1s 2s22p63s23p64823d104p? O 182 2s22p63s23p64s3
The ground state configuration : 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p¹
Further explanationElectrons can move the shell up or down by releasing energy or absorbing energy
It can be concluded that there are 2 conditions:
Ground-state is the state of electrons filling the shell with the lowest energy levels.
Excited-state is the state of electrons which occupies a higher energy level
The state of excited electrons can be seen from the presence of electrons which do not fill the shell completely but fill the shell afterward
Gallium (Ga) is a metal located in group 13, p-block and period 4
Atomic number : 31
If we look at the options:
options 1,2 and 3 do not conform to Aufbau principle(Electrons occupy orbitals of the lowest energy level ), because 3d orbitals do not exist and the number of electrons is also not 31
So that the most appropriate electron configuration is:
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p¹ = 31 electrons
or we can write : [Ar] 4s² 3d¹⁰ 4p¹