Read the scenario, and then answer the question that follows. Randy is the chief technology officer of a growing company. The company he works for is considering their software needs. The company currently has a few licenses for a proprietary software solution, but will need to greatly expand their operations quickly. The company has asked Randy to recommend a software solution that will allow the company’s engineers to customize the software to fit the specific functions and duties of the company’s employees, and to cheaply expand their operations to other office branches. Which of the following options would best fit Randy’s needs?
Answers
Answer:
B (implement an open source software solution) I'm late sorry
Explanation:
Answer:b
Explanation:
b
Related Questions
how do you find protons in an atom?
Answers
Answer:
Protons are always found in the nucleus of an atom.
Explanation:
Protons and neutrons make up the nucleus of an atom, which is in the center. The electrons "orbit" the nucleus.
Answer:
The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules.
Explanation:
The number of protons in the nucleus of the atom is equal to the atomic number (z). The number of electrons in a neutral atom is equal to the number of protons.
b. How many kJ of heat are needed to completely vaporize 50.0g of water at 100°C? [Ans:113. kJ]
Answers
The amount, in kJ, of heat needed to completely vaporize 50.0g of water at 100°C is 118.8 kJ.
Heat of vaporization of waterThe heat needed to completely vaporize 50.0g of water at 100°C can be calculated using the following formula:
q = m x Hv
where:
q is the heat needed in joules (J)m is the mass of water in grams (g)Hv is the heat of vaporization of water which is approximately 40.65 kJ/mol at standard temperature and pressure.First, we need to convert 50.0g to moles by dividing by the molar mass of water which is approximately 18.015 g/mol3:
moles of water = 50.0 g / 18.015 g/mol moles of water = 2.776 mol
Thus:
q = (2.776 mol) x (40.65 kJ/mol) q = 112.8 kJ
In other words, 112.8 kJ of heat is needed to completely vaporize 50.0g of water at 100°C.
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What happens as a chemical bond forms?
OA. Energy is released.
B. Heat energy is destroyed.
OC. The atoms gain energy.
OD. The bonding atoms get farther apart.
Answers
Drag the tiles to the correct locations on the equation. Not all tiles will be used.
Two atoms interact with each other and change as shown by the equation. Complete the equation by filling in the missing parts.
5
2
4
3
1
H+H -
H
He
Li
+
Answers
The equation in the question is: H+H → H + H Complete the equation by filling in the missing parts. missing part is 1 → H+H-2 → →3 → He.
The atomic number of hydrogen is 1, which means it has only one proton in the nucleus and one electron in its shell. Two hydrogen atoms react with each other to form helium. Helium has 2 protons and 2 neutrons in its nucleus and two electrons in its shell. Therefore, the equation is:
H + H → HeIt can be seen that:1. H + H (Reactants)
2. → (Yields or Reacts to form)
3. He (Product)Therefore, the tiles will be arranged as shown below: 1 → H+H-2 → →3 → He
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A sample of O2 gas occupies a volume of 571 mL at 26 ºC. If pressure remains constant, what would be the new volume if the temperature changed to:
(a) -5 ºC
(b) 95 ºF
(c) 1095 K
Answers
Answer: The new volume at different given temperatures are as follows.
(a) 109.81 mL
(b) 768.65 mL
(c) 18052.38 mL
Explanation:
Given: \(V_{1}\) = 571 mL, \(T_{1} = 26^{o}C\)
(a) \(T_{2} = 5^{o}C\)
The new volume is calculated as follows.
\(\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\\\frac{571 mL}{26^{o}C} = \frac{V_{2}}{5^{o}C}\\V_{2} = 109.81 mL\)
(b) \(T_{2} = 95^{o}F\)
Convert degree Fahrenheit into degree Cesius as follows.
\((1^{o}F - 32) \times \frac{5}{9} = ^{o}C\\(95^{o}F - 32) \times \frac{5}{9} = 35^{o}C\)
The new volume is calculated as follows.
\(\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\\\frac{571 mL}{26^{o}C} = \frac{V_{2}}{35^{o}C}\\V_{2} = 768.65 mL\)
(c) \(T_{2} = 1095 K = (1095 - 273)^{o}C = 822^{o}C\)
The new volume is calculated as follows.
\(\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}\\\frac{571 mL}{26^{o}C} = \frac{V_{2}}{822^{o}C}\\V_{2} = 18052.38 mL\)
The pOH of a solution is 6.0. Which statement is correct?
Use pOH = -log[OH-] and PH+pOH = 14.
The pH of the solution is 20.0.
O The concentration of OH ions is 1.0 x 108 M.
The concentration of OH ions is 1.0 x 106 M.
O The pH of the solution is 8.0.
A
Answers
At pOH value of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)
In this question we will apply the formula
pH +pOH = 14 . . . . . . . . . . . . .(1)
where pH = concentration of [\(H^{+}\) ] ion
pOH = concentration of [\(OH^{-}\) ] ion
As per the question
pOH =6.0
Putting the value of pOH in equation (1) we get the value of pH
pH + 6.0 =14
pH = 14 -6.0
pH = 8.0
The value of pH if the pOH value is 6.0 is 8.0
To find the concentration of \(H^{+}\) ion we will use the following formula
This is calculated by the formula
[\(H^{+}\)} = \(10^{-pH}\)
where we will write the values of pH
Hence the concentration of [\(H^{+}\)} ion is \(10^{-8}\)
Therefore at pOH of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)
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The complete question is -
What is the pH value and concentration of [\(H^{+}\) ] ion of the following if the pOH value of the solution is 6.0 ?
An earthquake's____
located directly above its_____
Answers
Answer:
An earthquake's what happens when two blocks of the earth suddenly slip past one another.
located directly above its The epic Center
Explanation:
Hope this helps you !!For a gas sample containing equimolar amounts of carbon monoxideand heliumat 300 K, heliumhas _____________average speed and _____________ average kinetic energy compared tocarbon monoxidegas.a.a lower; the same b. the same; the same c. a higher; the same d. a higher; higher
Answers
Answer:
Option C (a higher; the same) is the appropriate response.
Explanation:
Given:
Temperature,
T = 300 K (both \(N_2\) and \(H_2\))
As we know,
Average speed of a molecule,
⇒ \(\bar v=\sqrt{\frac{8RT}{\pi M} }\)
Thus, the average speed of \(N_2\) will be lower as its molar mass is greater than \(H_2\).
Now,
⇒ \(Average \ kinetic \ energy = \frac{3}{2} \ KT\) (not depend on molar mass)
Hence, it will be the same.
The other three alternatives aren't connected to the scenario given. So the above is the correct answer.
3.4 moles of calcuim to grams
Answers
136 grams
Explanations:The formula for calculating the mass of a substance is expressed as;
\(Mass=mole\times molar\text{ mass}\)Given the following explanations:
\(\begin{gathered} moles\text{ of Ca}=3.4moles \\ molar\text{ mass of Ca}=40g\text{/}mol \end{gathered}\)Substitute the given parameters into the formula
\(\begin{gathered} Mass=3.4\times40 \\ Mass\text{ of Ca}=136grams \end{gathered}\)Hence mass of the calcium is 136 grams
Select the description of a galvanic (voltaic) cell. An electrochemical cell that uses electricity to produce an oxidation-reduction reaction. An electrochemical cell that produces electricity from a spontaneous oxidation-reduction reaction. One-half of an electrochemical cell in which either oxidation or reduction occurs. Connects the two half-cells in an electrochemical cell to maintain electrical neutrality.
Answers
Answer: An electrochemical cell that produces electricity from a spontaneous oxidation-reduction reaction
Explanation:
Galvanic cell is a device which is used for the conversion of the chemical energy produced in a redox reaction into the electrical energy.
Galvanic cell consists of two half cells known as anode and cathode. Oxidation takes place at anode and reduction takes place at cathode. The two half cells are connected by a salt bridge which contains an electrolyte which maintains the electrical neutrality.
is xenon (xe) more or less reactive than bromine (br)? why?
Answers
Answer:
Xenon is less reactive.
Explanation:
Xenon is a noble gas with 8 valence electrons whereas bromine is a halogen with 7 and is very reactive.
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, xenon (xe) is less reactive than bromine (br) as xenon has noble gas electronic configuration.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.
Xenon (xe) is a 18 group element of a periodic table. The electronic configuration of these are of noble gas. Noble gases are very unreactive. These can't react at even harsh condition. Bromine belongs to group 17 of parodic table that is to halogen family. Halogens have high electronegativity. these are very reactive. the ere one electron less than the noble gas electronic configuration.
Therefore, xenon (xe) is less reactive than bromine (br) as xenon has noble gas electronic configuration.
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If 12.8 g lead(II) sulfate (303.3 g/mol) precipitates when excess potassium chloride is added to 1.65 L of a water sample, what is molar concentration of Pb2+ in the sample?
Answers
Answer:
\(M=0.0256M\)
Explanation:
Hello,
In this case, the undergoing chemical reaction is:
\(PbSO_4(aq)+2KCl(aq)\rightarrow PbCl_2(s)+K_2SO_4(aq)\)
In such a way, since all the lead (II) is converted due to the excess of potassium chloride, the moles of lead (II) in the sample are computed from the mass of lead (II) sulfate:
\(n_{Pb^{2+}}=12.8gPbSO_4*\frac{1molPbSO_4}{303.3gPbSO_4} *\frac{1molPb^{2+}}{1molPbSO_4} \\\\n_{Pb^{2+}}=0.0422molPb^{2+}\)
Thus, since volume of the solution is 1.65 due to the fact that the addition of the reactants is not enough to significantly modify the reaction's volume, the resulting molar concentration of the lead (II) ions is:
\(M=\frac{n_{Pb^{2+}}}{V}=\frac{0.0422molPb^{2+}}{1.65L}\\ \\M=0.0256M\)
Regards.
A runner runs for a distance of 350 yards and then runs for an additional 200 m. What is the total difference covered by the runner in meters?
Answers
If you convert 350 yards to meters, you get 320.04.
320.04m + 200m = 520.04m.
Take off the .04 if necessary:)
Hypothesis II: Write the equation with Iron (III) Chloride and balance it: Iron + Copper (II) chloride --> Iron (III) chloride + Copper
Answers
Answer:
Fe + CuCl2 = FeCl2 + Cu
Explanation:
This is already balanced.
18. What is the evidence and reasoning that supports the claim that Earth's magnetic field is
generated bt motion of liquid metal, and not a permanent, solid magnet deep inside Earth.
Answers
Answer:
The inside of the Earth is too hot to hold a solid magnet therefore, there is liquid metals within the mantle and deeper. These metals flow around causing volcanic eruptions, earthquakes, and Earth's magnetic field.
Explanation:
-physical and chemical methods
of monitoring the rate of
chemical reaction
Answers
1. Measuring changes in concentration: By measuring changes in the concentration of reactants or products, you can calculate the rate of the reaction. This can be done using spectrophotometry or titration.
2. Temperature measurement: The rate of a reaction is often temperature-dependent. By monitoring the temperature of the reaction mixture over time, you can determine the rate at which the reaction is proceeding.
3. Gas volume measurement: In reactions that produce or consume gases, measuring the volume of gas generated or consumed over time can give you an idea of the reaction rate. This can be done using a gas syringe or a gas burette.
4. Conductivity measurement: If the reaction involves the transfer of ions, measuring the conductivity of the reaction mixture can provide information about the reaction rate.
5. Pressure measurement: In some reactions, the pressure of the reaction mixture changes as the reaction proceeds. Measuring the pressure change over time can give you an idea of the reaction rate.
These are just a few examples of physical and chemical methods for monitoring the rate of a chemical reaction. The choice of method will depend on the nature of the reaction and the information you need to obtain.
Physical methods include monitoring temperature, pressure, and color change. Chemical methods include titration and gas analysis.
What are methods of monitoring chemical reaction?Monitoring the rate of chemical reactions is important to understand the kinetics of the reaction and optimize the reaction conditions. Physical and chemical methods are used for this purpose.
Physical methods include measuring the change in temperature, volume, and pressure of the reactants and products with time. The rate of reaction can be calculated from the rate of change of these parameters.
Chemical methods include monitoring the concentration of reactants and products with time. This can be done by techniques such as spectroscopy, chromatography, and electrochemistry. These methods are often more accurate and precise than physical methods.
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Which statements are true of heterogeneous mixtures? 1) They settle out. 2) The proportions of solute to solvent may vary. 3) The solute is evenly distributed throughout. 4) They are composed of two solvents and two solutes. 1 and 2 2 and 4 3 only 2 only
Answers
Answer:
1 and 2
Explanation:
Heterogeneous mixtures are basically refers to any solution that is not uniform in composition. A typical example is a solution of water and sand.
1)
By nature, they settle out. The denser component of the solution falls down and the lighter component stays up.
2)
The proportions may vary as it is a mixture. There is no fixed ratio of solute t solvent.
3)
The solute is not evenly distributed and this is why it is referred to as a non uniform mixture.
4)
They do not necessarily contain teo solvent and two solutes.
The correct options are option 1 and option 2 only.
Answer:
A. 1 and 2
Explanation:
Which of these properties is the best one to use for indentification of an element
Answers
Answer:
you need to state the options
The plasma membrane is semipermeable because –
A.) Phospholipids let through both polar and non-polar substances.
B.) Proteins in the membrane act like gates to control entrance and exit of molecules.
C.) Cholesterol makes the membrane too rigid to let small molecules through.
D.) Moving materials through the membrane always requires the use of ATP.
Answers
The plasma membrane is semipermeable because proteins in the membrane act like gates to control entrance and exit of molecules.
Because the plasma membrane is semipermeable, only some compounds can pass through without being blocked by others. Proteins incorporated into the membrane play a major role in facilitating this selectivity. These proteins serve as gatekeepers and control how chemicals are transported through the membrane. Many protein types, including carrier proteins and channel proteins, aid in the movement of particular molecules by generating channels or changing their shape.
Therefore, the correct option is B.
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If 45 Ml of a 6.5 M solution of HNO3 is added to 55 ml of water what is the new concentration?
Answers
Answer:
2.93M
Explanation:
C1V1=C2V2
V2 = (45+55)
45 * 6.5 = ( 100)X
make x subject of formula
:. x = 2.93M
please write the balanced equation for the following reaction:
AI3O3 (s) + C (s) + CI2 (g) = AICI3 (s) + CO (g)
Answers
The balanced equation for the reaction is as follows:
3 AI2O3 (s) + 3C (s) + 2CI2 (g) → 3AICI3 (s) + 3CO (g)
Combination reactions happen when two or more reactants come together to create a single product. In this instance, the reactants are chlorine gas, carbon, and aluminium oxide (AI2O3) (CI2). Aluminum chloride (AICI3) and carbon monoxide make up the final product (CO). Exothermic means that energy is released when the reactants come together in this reaction. Both heat and light are manifestations of this energy. The bonds between the atoms in the reactants are broken and new bonds between the atoms in the product are formed when the reactants combine. The reaction is exothermic because of the energy released during this process.
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H3PO4 + Ca(OH)2 ----> H2O + Ca3(PO4)2 If 10.3g of Ca(OH)2 reacts , How much water is made
Answers
Taking into account the reaction stoichiometry, if 10.3 g of Ca(OH)₂ reacts, 5.01 grams of H₂O are formed.
Reaction stoichiometryThe balanced reaction is:
2 H₃PO₄ + 3 Ca(OH)₂ → 6 H₂O + Ca₃(PO₄)₂
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
H₃PO₄: 2 molesCa(OH)₂: 3 molesH₂O: 6 molesCa₃(PO₄)₂: 1 moleThe molar mass of the compounds is:
H₃PO₄: 98 g/moleCa(OH)₂: 74 g/moleH₂O: 18 g/moleCa₃(PO₄)₂: 310 g/moleBy reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
H₃PO₄: 2 moles ×98 g/mole= 196 gramsCa(OH)₂: 3 moles ×74 g/mole= 222 gramsH₂O: 6 moles ×18 g/mole= 108 gramsCa₃(PO₄)₂: 1 mole ×310 g/mole= 310 gramsMass of water formedThe following rule of three can be applied: if by reaction stoichiometry 222 grams of Ca(OH)₂ form 108 grams of H₂O, 10.3 grams of Ca(OH)₂ form how much mass of H₂O?
mass of H₂O= (10.3 grams of Ca(OH)₂ ×108 grams of H₂O)÷ 222 grams of Ca(OH)₂
mass of H₂O= 5.01 grams
Finally, 5.01 grams of H₂O are formed.
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When an object radiates heat, the strength of this radiation far from the object decreases when distance from the source increases as shown in the graph below:
That is, radiated heat is much stronger near its source.
The universe is full of heat that was radiated by a source that no longer exists. This heat is known as cosmic background radiation. Cosmic background radiation is not stronger in any one direction or part of the universe than in others.
The following image is a map of the cosmic background radiation. Red areas are only 0.0002 K hotter than the blue areas. The overall temperature of the radiation is 2.725 K.
Image by the WMAP team, courtesy of the Legacy Archive
for Microwave Background Data Analysis (LAMBDA) supported by NASA
What does the uniformity of this radiation imply about its source?
A.
The source of cosmic background radiation filled the entire universe.
B.
The source of cosmic background radiation moved randomly.
C.
The source of cosmic background radiation existed for a very short time.
D.
The source of cosmic background radiation existed for a very long time.
Answers
The uniformity of the cosmic background radiation implies that the source of the radiation filled the entire universe.
What is radiation?Radiation refers to the emission of energy in the form of waves or particles through space or a material medium. This energy can be in the form of electromagnetic waves, such as visible light, radio waves, and X-rays, or it can be in the form of particles, such as alpha and beta particles, neutrons, and protons. Radiation can be natural, such as from the sun, or it can be man-made, such as from nuclear power plants and X-ray machines. Radiation can have both beneficial and harmful effects, depending on the amount and type of radiation and the way it is used or encountered.
Here,
This is because the radiation is not stronger in any one direction or part of the universe than in others, indicating that the source was uniformly distributed throughout space. If the source had moved randomly or existed for a very short or very long time, it would not be expected to produce such a uniform distribution of radiation.
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The process when the more dense plate gets pushed under a less dense plate.
Conduction
Subduction
Answers
Answer:
The correct answer is Subduction
What category of biological molecules are steroids included in?
Answers
Answer:
Lipids
Explanation:
Lipids are a class of macromolecules that are nonpolar and hydrophobic in nature. Major types include fats and oils, waxes, phospholipids, and steroids.
Hope this helps!
What is the mass (in g) of a solid piece of iron which has a specific heat of 0.449 J/g°C if when it absorbed 948.0 J of heat the temperature rose from 24.0°C to
82.1°C? Give your answer in 3 sig figs.
Answers
Answer:
Explanation:
We can use the formula:
q = mcΔT
where q is the heat absorbed, m is the mass, c is the specific heat, and ΔT is the change in temperature.
Given:
specific heat of iron (c) = 0.449 J/g°C
initial temperature (T1) = 24.0°C
final temperature (T2) = 82.1°C
heat absorbed (q) = 948.0 J
Substituting the given values into the formula, we get:
q = mcΔT
948.0 J = m(0.449 J/g°C)(82.1°C - 24.0°C)
948.0 J = m(0.449 J/g°C)(58.1°C)
m = 948.0 J ÷ (0.449 J/g°C × 58.1°C)
m = 33.1 g
Therefore, the mass of the iron piece is 33.1 g (to three significant figures)
What molecule is this
Answers
Answer:
That is a " ball and stick " model which represents carbon compounds.
Explanation:
This is the answer. Hope it helps you find what you're looking for.
Which compound is an isomer of CH3CH2OH?
A) CH3OCH3
B) CH3COOH
C) CH3COCH3
D) CH3CH2CH3
Answers
A Review Const
atoms or ions:
of
Electrons
LostGained
Part A
-3 e (lost)
Write the ion (atom) that has 26 protons and has lost 3 electrons.
Express your answer as a chemical symbol or as an ion.
+2e
(gained)
-4e (lost)
ΑΣΦ
?
Achemical reaction does not occur for this question.
Answers
Answer:a
i think its that is bc i want people to get the answer wrong
WHATS THE LAST OPTION HELP ASAP I WILL MARK BRAINLIEST
Answers
Answer:
SI-28
Explanation: