Which of the following items are matter and which are not? a flashlight Sunlight an echo air at sea level air at the top of Mount Everest

Q: During a fireworks show, a family sees the spray of sparkles from exploding fireworks high in the…

A: Well, we see the spray of sparkle from exploding firework high in the sky because burning emits…

Q: Part C ultraviolet radiation (135 nm ) Express your answer using three significant figures. > View…

A: Avogadro's  number gives the number of atoms, molecules or ions or particles in one mole of the…

Q: e. A typical giant panda (weighing 101.8 kg) spends half its day eating bamboo. What is the weight…

A: Given: Weight of panda = 101.8 kg

Q: An AM station broadcasts rock music at 8.70 × 102 on your radio dial. Units for AM frequencies are…

A: Wavelength and frequency are inversely proportional to each other The relation between Wavelength…

Q: 16)If you are driving a car with a speed of 55 miles per hour, what is your approximate speed in…

A: First we have to convert the miles per hours into the nanometer per seconds by using the conversion…

Q: MCQ 2: The number of times a p* is heavier than an e is A. 18 times B. 184 times C. 200 times D.…

A:

Q: Humans have three types of cone cells in their eyes, which are responsible for color vision. Each…

A: Given,  The wave length of the light = 512. nm The frequency of this light is:

Q: 836.2 MHz (common frequency used for cell phone communication)

A: Energy and frequency related as  E  α  ν E = h ν     where       E = eenrgy = ?      h = planck's…

Q: How many centimeters does light travel in one year? velocity of light is 3.00•10^10 can/sec.

A: Conversion of year to seconds is given below.

Q: What is uncertainty and an uncertain/estimated number in Chemistry, how does it work? What is the…

A: Uncertainty is the estimation of quantity through which measurement differs from the true value.

Q: Steve Rogers was transformed into Captain America through application of fictional vita-rays. If…

A: Planck theory of quantisation argued that energy is quantised ie. only certain energy is available.…

Q: Determine the volume of a sample of copper in (m³) with a mass of 2.2 x 105 tons and a density of…

A:

Q: Which of these physical changes would require the liberation of energy? a. condensation of steam to…

A: Physical change - A change in which composition of substance does not change, only state of…

Q: 9/files/1635224?module_item id%3D759376 P FormA.pdf 1e1f19_FormA.pdf (161 KB) > of 7 Page < ZOOM +…

A: The term density can be defined as the measurement which can be used to compare the amount of the…

Q: All of these are examples of chemical properties except:   A. Density  B.Solid formed   C. Color…

A: We need to determine which of the given properties is not a chemical property

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: The conversion factor used for converting 642 nm to metre is: 1 nm=10-9 m642 nm=642×10-9 m In order…

Q: Define matter. Identify whether or not each of thefollowing is a form of matter. a. microwaves d.…

A:

Q: The uncertainty of a pipet is ± 0.05 mL. The true value of a reading of 17.23 mL is in the range:…

A: The solution is given below -

Q: How many minutes does it take light from the sun to reach Earth? (The distance from the sun to Earth…

A: Given: speed of light = 3.00 X 108 m/s Distance to be travelled = 93 million miles = 9.3 X 107 miles…

Q: The thermogram in the figure below shows the change in mass for a sample of calcium oxalate…

A: In thermal analysis,  weight loss of calcium oxalate monohydrate due to loss of water first then…

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: Plants uses light for photosynthesis to prepare their food as follows:…

Q: The radio station 102.9 FM broadcasts at a frequency of 102.9 MHz (where 1 MHz = 106 Hz). What is…

A: Given: The frequency of the broadcast is 102.9 MHz. The relationship between wavelength and…

Q: 9) How many joules are released when 450 grams of water are cooled from 4 x 107°C (the hottest…

A: Mass of water (m) = 450 g Specific heat capacity of water (s) = 4.18 J/goC Initial temperature of…

Q: In each of following questions, four words have been given of which three are alike in some way and…

A: As per the rules, only the first question can be answered.

Q: A 14-karat gold ring contains 58.3% gold and weighs 12.41 g. If gold sells for $308.00/ounce, what…

A: Given: weight of ring = 12.41 g mass of percent of gold in ring = 58.3 % gold sells for =…

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: The wave of light absorbed by the chlorophyll is = 453. nm The frequency of the light is =?

Q: Humans have three types of cone cells in their eyes, which are responsible for color vision. Each…

A:

Q: The black hole in the M82 galaxy has a mass about 500 times the mass of the Sun. It has about the…

A: Given information: Mass of the sun = 1.9891 ×1030 kg Volume of moon = 2.1968 × 10 10 km3

Q: At the beginning of the video, the students put a thermometer under a light. Then checked the…

A: Given : At the beginning of the video, the students put a thermometer under a light. Then checked…

Q: b. What is the radius of Neptune's moon Triton (assuming it to be spherical) if it has a mass of…

A:

Q: How many minutes does it take light from the sun to reach Earth? (The distance from the sun to Earth…

A: Given : speed of light = 3.00 X 108 m/s Distance to be travelled = 93 million miles = 9.3 X 107…

Q: Osmium, one of the heaviest elements with a density of 22.5g/cm3. What is the mass of 15.0 cm3 of…

A: mass = density x volume

Q: Determine the volume of a sample of copper in (m³) with a mass of 2.2 x 105 tons and a density of…

A: Density of the solution is equal to ratio of mass to volume of solution. Density=MassVolume Unit of…

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: The number of times a wave occurred per unit time is known as frequency.

Q: 22. Energy is not considered a form of matter. Which of the following reasons correctly explains…

A: Matter: This is a part of universe. Matter is has measure the mass. Matter has own volume .  Energy:…

Q: A sample of SFx (g) at 25 degrees celsius, 1 atm has a density of 6.17 g/L. What is the value of X?

A: Molar mass of SFx is determined as follows,

Q: Can you solve the problems below, there's 2 pages. The page with the number 1 on the top corner is…

A: Salt-1 Na2CO3                Mass of empty beaker = 25.468 g                           Mass of…

Q: A. In Jules Verne's 1865 story, sunk in the Earth in Florida. (a) Find the minimum muzzle speed…

A:

Q: When nature behaves in a certain way over and over again, under all sorts of different conditions,…

A: Please find your solution below : Law is a relationship between variables in a group of data that…

Q: the progress with time of a reaction system is depicted in the figure here. Red spheres represent…

A: At equilibrium A(red) = 16, B(blue) = 24.

Q: 16- During the (until 1910), the idea about the cause of earthquakes varies between mythology and…

A: The Modern Era is said to exist from the end of the Middle Ages to the middle of the 20th century.

Q: 02 + 1. Ca 2. CdCO, Ni Cl2 + 3. Zn

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Complete each row of the table below by filling in the missing p J 6 10 1 J %3D 1 m J 10 J %3D -6 J…

A: We have given that  These is an examples of just the  simple conversation of  unit of energy in term…

Q: (b) Ce(IO3)4, 1.5 x 10 g/100 mL (o) Cd- sO 200 L00

A:

Q: Your Chem101 trial expires on 01/25/21 at 12:00 AM Question 37.a of 37 You have three objects of…

A:

Q: Steve Rogers was transformed into Captain America through application of fictional vita-rays. If…

A: Given Energy = 3.12*10-14

Q: De Broglie Hypothesis ( Dual Natuse of matter And Radi ohou) Ex plnin weu along with defailed…

A: Since, you have multiple questions so I will solved first question for you please post separately…

Q: Convert each temperature.a. 212 °F to °C (temperature of boiling water at sea level)b. 22 °C to K…

A: The degree of hotness or coldness of a substance is measured in temperature. It is measured in units…