Answer:
1/6 of your weight on Earth
Answer:
the amount of the force of gravity changes
which description shows copper at rtp?
Answer:
It is malleable, ductile, and an extremely good conductor of both heat and electricity. It is softer than zinc and can be polished to a bright finish. It is found in group Ib of the periodic table, together with silver and gold. Copper has low chemical reactivity.
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Long form EC for Aluminum
explain what happens during the chemical reaction
CaCO3 -> CaO + CO2
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A scientist is studying a protist and records the following information about it:Cell has a nucleus Has a flagella Produces oxygen Found in salt water Which conclusion is best supported by the information?A. B.The protist is an animal-like flagellate because it has a flagellum. C.The protist is a plant-like dinoflagellate because it produces oxygen.D.The protist is a plant-like dinoflagellate because it was found in salt water.The protist is an animal-like flagellate because it has a nucleus.
Answer:
B)The protist is a plant-like dinoflagellate because it produces oxygen.
Explanation:
This was the answer on edge nuity
The conclusion that is best supported by the information is that the protist is a plant-like dinoflagellate because it produces oxygen.
What is a protist?A protist is any eukaryotic organism that is, an organism whose cells contain a cell nucleus that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor,the exclusion of other eukaryotes means that protists do not form a natural group, or clade.
Therefore, some protists may be more closely related to animals, plants, or fungi than they are to other protists. However, like the groups algae, invertebrates, and protozoans, the biological category protist is used for convenience. Others classify any unicellular eukaryotic microorganism as a protist.The study of protists is termed protistology.
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Anna broke a test tube. She picked up the pieces of glass with one hand and placed them in her other hand.
Once she picked up all of the pieces, she placed them in the garbage can. What was not done correctly? What
should have been done instead?
Answer:
Tell the teacher and wait for it to be swept up.
___are organelles found in plant cells. They absorb energy from sunlight and use that energy to drive chemical reactions that produce sugars and oxygen.
Chloroplasts
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What happens to the pH of an acid when the solution is diluted by a factor of 10?
Answer:
Diluting an acid decreases the concentration of H+(aq) ions, which increases the pH level of the solution towards 7, making it less acidic.
Explanation:
However, the pH level of an acidic solution cannot become greater than 7, because the water you add to dilute it is not alkaline.
Look at position 2 on the roller coaster
Is there more potential or kinetic energy , why ?
Which of these equations is balanced?
1. 4Sb + 3O2 → Sb4O6
2. H3 AsO4 → As2O5 + H2O
3. SiO2 + HF → SiF4 + H2O
4. CO2 + NH3 → CO(NH2)2 + H2O
Answer:
the first is the answer
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Indicate whether each statement is true or false: a. Substitutional alloys tend to be more ductile than interstitial alloys. b. Interstitial alloys tend to form between elements with similar ionic radii. c. Nonmetallic elements are never found in alloys.
Answer:
Substitutional alloys tend to be more ductile than interstitial alloys. true
Interstitial alloys tend to form between elements with similar ionic radii.false
Nonmetallic elements are never found in alloys. false
Explanation:
Substitutional alloys consists components having similar atomic(ionic) radii as well as common bonding characteristics. In interstitial alloys, atoms in interstitial positions must have a much smaller covalent radius than the solvent atoms. Interstitial atoms are generally less ductile than substitutional alloys.
Nonmetals are found in alloys. For instance, carbon is a component of the common alloy called steel.
How many atoms of aluminum (Al) are in 3.94 mol of aluminum
Answer:
26.9
Explanation:
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what information do the coefficients of a balanced equation give about the reactants
how dose the scientist know the substances goes through a change of state during the time period labeled B on the graph?
Answer:
The temperature remains constant
Explanation:
In a plot of temperature against time, it is easy to spot the points on the graph where a change of state is taking place.
During a change of state, the temperature does not not change with time. These are points that are plateaus on the temperature-time graph.
This is because, during phase change, the heat that is added is used in breaking intermolecular forces therefore a temperature change is not observed until the phase change is complete.
For the elements in the "f-block," how is the row number related to the principal energy level for the last orbital notation of their electron configurations?"
Answer:
See explanation
Explanation:
Given that the row number is the same as the period or energy level(shell) in which the electron is found.
If we designate this row number as "n", we know that the highest principal energy level for the f orbitals is obtained as (n-2) f.
Thus, we obtain the highest principal energy levels for the "f block" elements by subtracting 2 from the row number.
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What must change in order to change the amount of power?
Answer:
Mass
Explanation:
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10 grams of calcium-37 remain after 700 milliseconds (0.700 seconds).
How much calcium was in the original sample?
Answer:
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Explanation:
Which element’s atoms have the greatest average number of neutrons?
Answer:
53
Explanation:
the atomic number is 53, then Number of neutrons=127-53=74 Since, the number of neutrons are large in Tellurium, therefore Tellurium have the greatest average number of neutrons.
All living organisms are composed of
OA. at least three cells.
ОВ.
one or more cells.
OC. at least 100 cells.
OD. only one cell.
Answer:
OB- one or more cells
Explanation:
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write the relation between wavelength frequency and velocity for a sound wave
Explanation:
frequency; the no of round completed in one second is called frequencywavelength; the distance between two identical point on wave line velocity; the distance cover in one second is called velocityWhen are kids ready to assume adult responsibilities?
Answer:
18 years old or when they become mature.
Explanation:
what is a substrate
Answer:
a substrate is surface or material on or from an organism lives, grows, or obtains its nourishment.
Explanation:
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which line represents the gas state?
Answer: F : Gas
Explanation:
what are the materials needed during photosynthesis?
What is genetic mutation
Answer:
A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.
How many moles are in 825 atoms of carbon?
1.37 × 10⁻²¹ mol C
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Using Dimensional AnalysisAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Explanation:Step 1: Define
825 atoms C
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
[tex]\displaystyle 825 \ atoms \ C(\frac{1 \ mol \ C}{6.022 \cdot 10^{23} \ atoms \ C} )[/tex] = 1.36998 × 10⁻²¹ mol C
Step 4: Check
We are given 3 sig figs. Follow sig fig rules and round.
1.36998 × 10⁻²¹ mol C ≈ 1.37 × 10⁻²¹ mol C
Why are prefixes not needed in naming ionic compounds?
Answer:
its A
Explanation:
Answer:
C. Ions combine in only one ratio
Explanation:
Just took the quiz
The electron configuration below applies to which element? 1s2 2s2 2p6 3s2 3p1
URGENT !! PLEASE ANSWER !!
Is C-O a nonpolar or polar covalent bond? why?