Which is the correct balanced chemical equation for the reaction of solid potassium with liquid water. Express your answer as a chemical equation. Identify all of the phases in your answer. о K'9) + H-О()-коНаq) + H*(аq) O 4K(s) + 2H2O(1)→4KH(aq) +O2(g) О Ki) + 2H20() -кн:(аq) + 20н (аq) O K(s) +2H2O(1)¬K(OH)2(aq) +H2(g) O 2K(s)+2H2O(1)→2KOH(aq) +H2(g)

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 75.81 g/mol and…

A:

Q: How do I show my work for (4 x 103) / (2 x 106)?

A: Given,

Q: 11. Electro painting is an example of a) deposition b) sublimation c) a physical change d) both a…

A: What is the electro painting given below.

Q: Engaging Activities Directions: Identify the state of matter of each item. Write S on each blank if…

A:

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

A: As we know, according to Coloumb's law of force of attraction, two oppositively charges attracted…

Q: During reconstruction of the Statue of Liberty, Teflon spac-ers were placed between the iron…

A: These spac-ers are made up of Teflon and Teflon is an electrical insulator. Corrosion occurs due to…

Q: K = 1.4 x 10-3) and 0. %3D

A: Given data are as follows: Weak base = 0.260 M Conjugate acid =0.530 M Kb= 1.4*10-5

Q: Which process in the diagram below shows fluorescence?     A. 4   B. 1   C. 5   D. 3

A: A diagram that depicts the electronic transition of a molecule and also transitions between them.…

Q: Define the term Planck constant?

A: Plank equation is determined as -  E =hν  Where, h = Planck's constant             v = Frequency of…

Q: Calculate the total mass of water in kg on Earth's surface from the following data: total planetary…

A: Given, total planetary surface area = 510066000 km2            total land area = 148647000 km2…

Q: BCPS Links 8 Schoology 8 Schoology Which line on Graph 2 accurately shows the relationship between…

A: Energy increase when repulsion increase

Q: Which branch of chemistry would most likely studymatter and phase changes? a. biochemistry…

A: The study of matter collected, molecules, atoms, interaction of matter with energy, structure and…

Q: H* (ag) →_ 2 (s) + Н.О (1) +

A:

Q: Which statement is true about this graph v (m/s) 5- 4- 3+ +++ 5 6 7 8 9t (s) -2+ -3+ O acceleration…

A: Please find your solution below : The plot of velocity vs. time graph gives the acceleration.…

Q: Which parts of Earth are most similar to the plate with an axis angle of 0°? Explain.

A:

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

A:

Q: Chemical equations can be used to represent physical changes, too. Collect observations and write a…

A: Dry ice is solid. It sublimates or changes states from a solid to a gas at temperatures of -78…

Q: Which phase of matter is the most ordered? O Solid O Gas O Liquid

A: There are three phases of a matter. By varying the temperature and pressure the phase of the matter…

Q: How much would a 70 kg person weigh on Mercury with its gravitational acceleration of 3.7 m/s^2?…

A:

Q: Which is the higher temperature 42G er 92E7

A:

Q: Classify each of the following as an element (E), a compound (C), or a Mixture (M).   14K gold pure…

A: Answer  Classify each of the o following as an element(E) a…

Q: CaCl2(aq)+Na3PO4(aq)→Ca3(PO4)2(s)+NaCl(aq)CaCl2(aq)+Na3PO4(aq)→Ca3(PO4)2(s)+NaCl(aq) Express your…

A: When an aqueous solution of calcium chloride and an aqueous solution of sodium phosphate are mixed,…

Q: The sixth root of 7.20 x 1038 =?

A:

Q: Luminosity is measure by Kelvin O True O False

A: In a unit time,the elecromagnetic radiation emitted by the star galaxy etc ,is called luminosity and…

Q: Direction: Complete the table of the substances below by filling out the necessary information that…

A:

Q: GIVEN: (Probable atomic weights: N=14; O=16) 1. What is the most applicable state of matter for the…

A: Atomic weights: N=14; O=16

Q: P4(s)+O2(g)⟶P4O10(s)P4(s)+O2(g)⟶P4O10(s)   Express your answer as a chemical equation. Identify all…

A:

Q: There are two substances with the molecular formula C2H7N. Draw them and describe how they differ.

A:

Q: Write a balanced chemical equation for each of the following. Express your answer as a chemical…

A: Hi there, thank you for the question. We can answer only one question at a go! So please re-post us…

Q: Critical point 22,089 Water Ice (liquid) (solid) 101 Triple point 0.6 B. Water vapor I (gas) A…

A: A phase transition is defined as transition from one state of matter (solid, liquid and gas) to…

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

A:

Q: A rectangular solid has the following dimensions: length = 7.12 cm width = 3.31 cm height = 0.85 cm…

A: GIVEN DIMENSIONS Length = 7.12cm Breadth= 3.13cm Height = 0.85 cm Volume = (7.12×3.13×0.85) cm3  =…

Q: CaCO3(s)⟶CaO(s)+CO2(g)CaCO3(s)⟶CaO(s)+CO2(g) Express your answer as a chemical equation. Identify…

A: The balanced eqn is given by -- CaCO3 (s) ⟶ CaO (s) + CO2 (g)

Q: Vol 6 No 6 S5 what is the issue number ?

A: Issues number is given below.

Q: 11. Which of the following sequences is correct in terms of increasing the speed of sound? A.…

A: 11. The speed of sound varies as the square root of the ratio of the "elastic properties" or "bulk…

Q: K2SO4(aq)+BaCl2(aq)⟶KCl(aq)+BaSO4(s) Express your answer as a chemical equation. Identify all of the…

A: To balance the equation the we need to make each element on both side equal.

Q: 4 Hume-Rothery

A: In this question we have to briefly state the 4 Hume- Rothery rules that give guidelines on the…

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

A: The net force on the atom will depend on the electrostatic interaction due to other charged species.…

Q: vizualize the connection for the description of motions in the sections and give answer in the blank

A: 1. Scientist who proposed 2. Model name a.) John Dalton     Dalton Atomic Theory b.) Ernest…

Q: 1. The purpose of studying the various velocities and the distances of galaxies in these studies…

A: Hubble showed us that galaxies are receding away from us with a velocity that is proportional to…

Q: 2. THE FORCE BETWEEN TWO CHARGES IS 1000 N. ONE HAS A CHARGE OF 2X 10-5 C, AND THE OTHER HAS A…

A: Coulomb's law:  It states that the magnitude of the electrostatic force F between two point charges…

Q: 1. O3 2. (CH3)2S, DMS II IV I and II O IV and V O I only II only O II only

A:

Q: let 5°C 41°F 303 K 86°F -35°C 238 K C-D Do you know the answer?

A: Celsius, Fahrenheit and Kelvin all are the units for measuring temperature. Formula used: 1) T (°F)…

Q: You are given three unknown samples stored in screw-capped containers and was told to analyse them.…

A: A nanoparticle is a small particle that has a size between 1 to 100 nanometres.  As size of…

Q: Determine the net force necessary to give an object with a mass of 2.0 k an acceleration of 5.8 m/s

A: given mass = 2.0kg Acceleration = 5.8m/s2

Q: lalkulade the mknown [Cu^] when Evell = 0.0SO V 2+ %3D

A: Concept - Here nernst equation will be used. Nernst equation is an equation that relates the…

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

A: The net force can be calculated based on the type of charge and it's magnitude alongwith the…

Q: Which element in each period hasthe highest melting point? In eachcase, is the element you named…

A: The highest melting point has been reported in Chromium (Cr), Molybednum (Mo) and Tungsten (W) in…

Q: it cannot be both, i need one answer not two...

A: The second law of thermodynamics states that the entropy of the universe is alway increasing.  We…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.