the basic unit of matter is called a/an?

Q: Explain The Law of Conservation of Mass?

A: Lavoisier, a French chemist, in his various experiment found that the total mass of reactant is…

Q: Question 34

A: Mixture: Combination of two or more different materials in a way that no chemical reaction occurs.…

Q: a. 23.25 + 625 = b. 58.175 – 45.06 = %3D c. 1000. × 2.68 =

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Explain the significance of the law of conservation of energy.

A: In a chemical reaction, energy cannot be created or destroyed but it can be transformed to another…

Q: 35 34.9689 75.77 Chlorine 37 36.9659 24.23

A: Atomic mass is the mass of an atom. Atomic mass is sum of protons and neutrons.

Q: 20. A chemist decomposes several samples of water into hydro- gen and oxygen and measures the mass…

A: In the first set of data,water is decomposed to hydrogen and oxygen and the mass of each obtained…

Q: How many years would it take for one mole of this radioactive material to decay so that just one…

A: The time which is required for the decay of one half of the amount of the species is called half…

Q: 2) Ar0, H201D 1) CH3I, cx cess,

A:

Q: 23892U > 23290TH + 42He2+ True False

A: Given that:  238U92 ......> 232Th90 + 4He22+ In given reaction , Helium particle is emitted.…

Q: Describe the Atomic Theory of Matter?

A: The atomic theory of Matter has to be described.

Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: In which set of element have similar chemical properties ?

Q: The weight percent of silicon in six different rock samples, each containing different amounts of…

A: Solution

Q: What is the principal aim of a scientist?

A: A scientist uses the resources in order to bring the change in their area of interest which helps a…

Q: Brz Mg Pyr Etz peBrz Me ų NBs Na OH pCC AICI3 light

A: Benzene can give electrophilic aromatic substitution reaction.

Q: e. Cul2 g. HgCl2 i. HgO k. FeS

A: e. CuI2 - Copper(II) iodide

Q: A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36 mg. Which of the…

A:

Q: Engineering materials are materials utilized in the development of new technologies. (A) True (B)…

A: Engineering materials are group of materials that can be used in construction of man-made structures…

Q: a. Ca(s) + Cd²"(aq) → Ca²*(aq) + Cd(s) b. Cu*(aq) + Fe3*(aq) → Cu?+(aq) + Fe2*(aq)

A: In this question, we want to determine the cell notation of given cell Reaction.  How we can write…

Q: The blood plasma volume totals of 2.8-3.2 qt in an average human. A quart is a unit of mass. A quart…

A: A quart is a unit of volume. It is represented by qt. 1 quart is equal to 0.946353 liter. 1 qt =…

Q: A certain type of nail weighs 0.50 lb per dozen. How many nails are containedin 3.5 lb of these…

A: The amount of substance can be expressed in different units. Some of them are moles, dozen, and…

Q: What type of change in matter is characterized as having a new substance formed in the process?

A: Given  New substance is formed in the process  Type of Change = ?

Q: Complete each of the following equations:

A: The complete reactions are given below -

Q: The mass of a proton is 1.67 times 10-27kg. What is the mass of a proton in gigagrams?

A: The mass of a proton is 1.67 times 10-27kg. This mass of a proton is to be converted into gigagrams.

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: po, EXEI, UNuvijUEI OWUTU. = 192 g νερό. τάση για εμπέδωση Τι σημαίνει η έκφραση: cυδατικό διάλυμα…

A: 1. 3% aqueous sodium chloride means there is 3g of NaCl in 100g of water.

Q: 1. The percentage of lead in earth crust is a. 0.0015 b. 0.05 c. 0.00015 d. 0.0045 2. The salt is a.…

A: According to the guidelines prescribed by Bartleby, we can answer a maximum of three sub-questions.…

Q: I - Xe 135 135 54 Xe + а. 53 b. K 40 iß + X 19 I + in 5 Mn + X 135 C. 53 25 I + on 135, 524 235 99…

A:

Q: (1) Give to example of 1D Nano materials.

A:

Q: Polyethylene terephthalate (PET) is used in plastic water bottles. A water bottle has a mass of 14.0…

A:

Q: What is the unit of energy? Select one: a. Joules b. Newton c. Kilograms d. moles

A: What is the unit of energy?

Q: The state of matter in which particles can separate from each other and move about randomly in…

A: Applying concept of kinetic theory of gases.

Q: is stone a matter? why?

A: Matter: It is a substance that occupies space and has a certain mass. For example, if you consider a…

Q: Describe the Law of Conservation of Mass?

A: Law of Conservation of Mass : law of conservation of mass states that mass can neither be created…

Q: 5. Calculate the mass % (w/w) Mg(OH)2 in your Milk of Magnesia sample. (2.25) mass of Mg(OH)2 mass %…

A:

Q: -273 K O 'F -273 °F -273 °C OK O'C

A: We know that absolute zero  is 0 k So by using relationship  0 K = 273 + 0C 0C=0- 273 0C= - 273…

Q: 11. A stack of 500 sheets of typed paper is 1.9 inches thick. The thickness, in inches, of a stack…

A: If the stack of 500 sheets of paper is 1.9 inches thick, then each sheet of paper has thickness of…

Q: ? 239 94 Ри + 96 X + ¿n

A:

Q: 8. L0s t213.15= 318.18K 2. A woman is 5 ft 5 in tall and weighs 140 lb. Express these values in the…

A: SI System: It is the standard unit system and it is used to express the magnitude of the quantities.…

Q: The symbol of K+ represents one?

A: + sign indicates loss of electrons.

Q: १ १कजाdपior oप्टवox পeवcमन्No s o ০Xवीरटठ न० No Cmd fes+ छि गबबेपव्टd क० Fe2t . Conmpee व्ल bवकee…

A: The given redox reaction is: NO+Fe3+→NO3-+Fe2+

Q: Which of the following are chemical changes? and which are physical changes? DNA unwinding?

A: If the reaction is irreversible and bond making and bond breaking occur in the reaction and then…

Q: Anything that is observed or measured about a sample of matter is called a(n)?

A:

Q: 1. EtLi 2. aq H*

A: The product of the given reaction is

Q: 104.3 MHz in energy

A: We know that , energy of a photon is related to Plank's constant as,…

Q: Describe the law of conservation of mass? Give an example?

A: The Law of conservation of Mass was given by Antoine Lavoisier. It is used as the fundamental law to…

Q: b. 7 14 c. Lead 206 d. 31 26 84 36 Kr е.

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…