A bowling ball rests on the floor. The bowling ball is given a push.
Which of the following is the most likely change to happen to the bowling ball?
It will move.
It will gain mass.
It will change colors.
It will change shape.
Answers
Answer:
A. It will move.
Related Questions
At a hydroelectric power plant, potential energy is changed into kinetic energy. The kinetic energy is then transformed into electrical energy. i What is the source of the energy that turns the turbine in the power plant? Chemical energy of water molecules as they fall Gravitational potential energy of water behind the dam Elastic potential energy of the water molecules as they bounce over the dam Electrical energy from power lines that connect the hydroelectric plant to a grid
Answers
Answer:
Gravitational potential energy of water behind the dam
Explanation:
Energy can be defined as the ability (capacity) to do work. The two (2) main types of energy are;
a. Gravitational potential energy (GPE): it is an energy possessed by an object or body due to its position above the earth.
b. Kinetic energy (KE): it is an energy possessed by an object or body due to its motion.
Hydroelectric power plant refers to a renewable source of energy used for the generation of electricity, through the use of powerful hydraulic steam turbines operating at high voltage and are being driven by the energy acquired by water falling from a height and flowing through a penstock (pipe) i.e the mechanical energy (gravitational potential energy + kinetic energy).
At a hydroelectric power plant, potential energy is changed into kinetic energy. The kinetic energy is then transformed into electrical energy.
The source of the energy that turns the turbine in the power plant is Gravitational potential energy of water behind the dam, usually from streams or rivers.
Which element would you expect to have the highest electronegativity?
Answers
Answer:
Fluorine
Explanation:
It's tendency to gain electron is higher than Ca and P
A solute can be obtained from a solution by...
Answers
Answer:
Evaporating the solvent
Explanation:
Which set of elements represents a period within the Periodic Table?
H, He, Ar , Xe , Rn ,
N, P, As, Sb , Bi
K, V, Fe, Ga , Kr
La, Pa, Sm, Tb, Yb
Answers
H, He, Ar , Xe , Rn ,
N, P, As, Sb , Bi
K, V, Fe, Ga , Kr
La, Pa, Sm, Tb, Yb Which set of elements represents a period within the Periodic Table?
H, He, Ar , Xe , Rn ,
N, P, As, Sb , Bi
K, V, Fe, Ga , Kr
La, Pa, Sm, Tb, Yb
An element A has an atomic number of 11 and another element B has an atomic number 17 (A
and B are not actual chemical symbols of elements)
i. What group on the periodic table does A belong?
ii. What type of bond will be formed between A and B? Explain.
(2mks
(1ml
iii.
Write the formula of the compound that will be formed between A and B.
(lm
b. Arrange the species X, X5+ and X. in order of increasing size.
Answers
Answer:
can anyone tell me how to get +7!67:$'!$
What is represented by this notation?
Na loses one proton to Cl.
Na loses one electron to Cl.
Na gains two protons from Cl.
Na gains one electron from Cl.
Answers
Answer:
it's the third
Explanation:
I need to fill 20 spaces. don't mind that
Answer:
Na gains two protons from Cl.
Explanation:
this should help
Step 6: Measure Solubility in Boiling Water
110
100
80
100 ml
60
90
40
20
Temperature of the water to the nearest degree:
°C. DONE
Intro
Answers
Answer:
the answer is 102- i took did it on edg
Explanation:
The ability of a material, the solute, to combine with some other substance, the solvent, is known as solubility. Temperature of the water to the nearest degree is 110 °C for the given solubility.
The ability of a material, the solute, to combine with some other substance, the solvent, is known as solubility in chemistry. Insolubility, or the solute's inability to create such a solution, is the opposite property.
The concentration of a solute inside a saturated solution—a solution where no more solute could be dissolved—is typically used to gauge the degree of a substance's solubility in a particular solvent. Temperature of the water to the nearest degree is 110 °C for the given solubility.
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What is a dominant trait and a recessive trait
Answers
Answer:
Dominant traits are always expressed when the connected allele is dominant, even if only one copy exists. Recessive traits are expressed only if both the connected alleles are recessive.
Explanation:
Freckles, cleft chin and dimples are all examples of a dominant trait.
A student drops a white tablet into a glass of water, producing
carbon dioxide gas. This is a demonstration of
A. a change of state.
B. a chemical reaction.
C. the creation of matter.
O D. the movement of electricity.
Answers
Answer:
A chemical reaction
Explanation:
21.82 L of 4.65 M HCl is added to 9.31 L of 8.55 M NaOH. What is the concentration of HCl in the resulting solution? **hint: make ICE table
A)1.90 M
B)0.952 M
C)10.3 M
D)0.702 M
E)0.644 M
Answers
Answer:
D
Explanation:
First you multiply 4.65 with 21.82 to get the mols of hcl, which is 101.463. Then you make an ice table. The ice table should look like this:
HCl + NaOH = 12NaCl + H2O
101.463 6.022e23 1.989e30
As the ice table above shows, you will have 1.989e30 mols of nacl after the reaction. With that information, you can then divide it by 2.833333333333333e30 to get 0.702 M.
Nitrogen-fixers are the critical links between ______.
A. atmospheric nitrogen and organisms that need nitrogen to survive
B. atmospheric nitrogen and the formation of new soil
C. atmospheric nitrogen and the formation of new atmospheric nitrogen
D. None of the above
Please answer correctly and explain
Answers
Nitrogen-fixers are the critical links between atmospheric nitrogen and organisms that need nitrogen to survive.
Where Nitrogen fixers are used?Nitrogen fixers are the compounds which are used in the nitrogen fixation process to convert the nitrogen molecule in other nitrogenous compounds.
So, the nitrogen fixers converts the atmospheric nitrogen molecule (N₂) into the other compounds like ammonia (NH₃) or any other useful nitrogenous compounds which will be used or absorbed by the soil or any other aquatic species. Some examples of nitrogen fixers are bacteria, clostridium, rhizobium, and many more.
Hence option (A) is correct i.e. atmospheric nitrogen and organisms that need nitrogen to survive.
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The thermal energy of matter increases when ___.
A. Heat flows of the matter
B. The mass of the matter decreases
C. Heat flows into the matter
D. The temperature decreases
Answers
transmutation occurs during which type of radioactive decay
Answers
Explanation:
Transmutation, conversion of one chemical element into another. A transmutation entails a change in the structure of atomic nuclei and hence may be induced by a nuclear reaction (q.v.), such as neutron capture, or occur spontaneously by radioactive decay, such as alpha decay and beta decay (qq. v.).
A transmutation entails a change in the structure of atomic nuclei and hence may be induced by a nuclear reaction (q.v.), such as neutron capture, or occur spontaneously by radioactive decay, such as alpha decay and beta decay
Oxygen is the 16th element on the periodic table and the number of neutrons is 8. Using the formula A=Z+N, determine by calculation the atomic number for oxygen *
a. 6
b. 8
c. 24
d. 16
Answers
Answer:
the answer is twenty-four
A student performs an experiment with three unknown fluids and obtains the following measurements: Fluid A: m = 2060 g, V = 2000 mL Fluid B: m = 672 g, V = 850 mL
Fluid C: m = 990 g,
V = 1100 mL
Answers
Answer:
fluid - A is 1.03
fluid -B is 0.790
fluid - C is 0.90
Explanation:
In our exprimetal fluid, the density of
fluid - A is 1.03
fluid -B is 0.790
fluid - C is 0.90
The fluid with high density settles at bottom of the beaker and least dense fluid forms layer on the surface .
Fluid A is 1.03
Fluid B is 0.790
Fluid C is 0.90
What is measurment?Measurment is a process by which we can measure any physical quantity with the help of different apparatus. For example if one can want to measure the distance than he can use the a simple measuring scale.
Distance can be measured in kilometer,meter, centimeter etc. Temperature can be measured with the help of glass tube thermometer as glass tube is a simple temperature measuring appratus and glass tube thermometer is used to measure temperature in fahrenheit (F).
Measurment is a general process which can be used by a common person in his daily life. Every common thing which we use in our routine life need to be measured like if we buy sugar it will be measured in kilogram or gram. If a person buy milk it can measured in liter.
Therefore,Fluid A is 1.03
Fluid B is 0.790
Fluid C is 0.90
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Please help!!
The diagram shows the electron configuration of an atom of an element for the electrons in the s and p orbitals.
What is the group number of the element in the periodic table?
A) 1
B) 2
C) 13
D) 15
Answers
Answer:
15
Explanation:
because since the outer shell has 5 electron then add 5 and 10 to get 15
Helllpppppppppppppppppppp
Answers
Answer:
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on eight comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you.!
Explanation:
For a solution, [H+] = 1 x 10-2M.
What is the pH?
Answers
Answer:
pH=2
Explanation:
-log(1 x 10-2)=2
NH₄⁺(aq)+NO₃⁻(aq) → NH₄NO₃(s)
How much energy is released when 3 moles of NH₄+ react?
1) -25.69 kJ
2) -51.38 kJ
3) -77.07 kJ
4) -102.76 kJ
Answers
Please help me classify properly.
Answers
Answer:C
Explanation:
Homogeneous Mixture
Answer:
homogeneous mixture
Explanation:
it is the same throughout so therefore it can be separated
What processes contribute water to surface water sources?(science)
Answers
10 moles of potassium hydroxide in 5.16 L of solution
Answers
Answer:
The molarity is 8.52M
Explanation:
molality = moles of solute/kg of solvent = 5.2mol/kg
moles of solute = 5.2mole
mass of solute = moles of solute × MW = 5.2 × 56.106 = 291.8g
mass of solvent = 1kg = 1000g
Mass of solution = mass of solute + mass of solvent = 291.8g + 1000g = 1291.8g
Density of KOH = 2120g/L
Volume of solution = mass/density = 1291.8/2120 = 0.61L
Molarity = number of moles of solute/volume of solution = 5.2/0.61 = 8.52M
The concentration in the solution is 1.94 mol/L
From the question,
We are to determine the concentration of 10 moles of potassium hydroxide in 5.16 L of solution.
From the formula
Number of moles = Concentration × Volume
Then, we can write that
[tex]Concentration = \frac{Number\ of\ moles}{Volume}[/tex]
From the question,
Number of moles of potassium hydroxide (KOH) = 10 moles
Volume of solution = 5.16 L
∴ Concentration of the solution = [tex]\frac{10}{5.16}[/tex]
Concentration of the solution = 1.94 mol/L
Hence, the concentration in the solution is 1.94 mol/L
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Here is the complete question:
Calculate the concentration in each of the following solutions:
1. 10 moles of potassium hydroxide in 5.16 L of solution
Which type of stoichiometry problems does not require the use of molar mass?
Answers
Answer:
Explanation:
It is volume-volume problems that does not require the use of molar mass.
5 Protons {+}
5 Electrons {-}
6 Neutrons {0}
What element is this ?
Answers
Answer:boron
Explanation:
i need help i have a homework assignment to finish and this is the last question help please and thank u
Answers
i just searched it up and wanted to help
A solution's hydrogen ion concentration is 1 x 10-SM.
What is the pH?
Answers
Answer:
the Ph is
Explanation:
90rn hub
Which is NOT an application of chemistry to life? *
a. Fertilizers used by farmers
b. Soaps used to clean
c. Medicine used by doctors
d. Hammer used by construction worker
Answers
Para solucionar el ejercicio primero se debe conocer el número atómico de los elementos para determinar cuantos electrones tiene cada uno N: número atómico 7, tiene 7 electrones Nivel 1: 2 electrones Nivel 2: 5 electrones P: número atómico 15, tiene 15 electrones Nivel 1: 2 electrones Nivel 2: 8 electrones Nivel 3: 5 electrones Cl: número atómico 17, tiene 17 electrones
Answers
Answer:
El número atómico se refiere al número de protones o electrones de un átomo.
Explicación:
El número atómico se refiere a la cantidad de protones o la cantidad de electrones que giran alrededor de las capas u órbita de un átomo, por lo que el número atómico 7 representa que el átomo tiene 7 electrones o protones mientras que, por otro lado, el número atómico 17 muestra el número de electrones o protón. Solo hay dos electrones que entran en la primera órbita y en el resto de las capas tiene espacio para 8 electrones por lo que los átomos pierden o agregan electrones en su capa más externa para obtener estabilidad.
is copper an elementary substance or a compound?
Answers
What are the chemical reactions involved in CO2 emission?