19.Which prefix is used to designate 1/1000? a. m b. M c. k d. c

Q: 13.95589 183015g 17.64589 T6.99497 2.

A: Answer:

Q: Convert this unit into an si unit with the basic unit L (up to 3 significant number)

A: The volume of 28.32 L approximately equal to 1 ft3.

Q: 2.- Identify each of the following as a homogeneous or heterogeneous mixture. Explain your choice a

A:

Q: 30. The density of the element iridium is 22.65 g/cm³. What's the mass of iridium that occupies a…

A: Given information, Density of iridium = 22.65 g/cm3 Volume = 7.35 mm3 = 7.35*10-3 cm3  (As 1mm =…

Q: (e) (83.145 m - 83.142 m)/(4.52 sx 2.208 s) = i Units m/s^2 Hint Assis

A: Calculation can be done by use of addition/substraction,  multiplication or division to solve for…

Q: 20. Another name for a homogeneous mixture is

A: Answer: SOLUTION is the another name of homogeneous mixture

Q: Part B ? 65.7 °F = °C Part C ΑΣφ ? -26.0 °C = Κ

A: The necessary conversion required to solve the given problem are,                 C = (F − 32) × 59…

Q: Mercury has a density of 13.60 g/cm3. What’s the volume of 2.4 mole of mercury?

A: Given: The moles of Hg, (n) =2.4 moles. The density of mercury, (ρ) = 13.60 g/cm3

Q: A balloon has a volume of 19.3 and 12.1 moles. The amount of moles decreases to 8.63. What is the…

A:

Q: Imagine that you took a road trip. Based on the information in the table, what was the average speed…

A: Given,

Q: 2NI3(s) N2(g) + 31½(g) classify:

A: We can classify reactions from the reactants and products.  Chemical reactions can be of different…

Q: You are asked to perform an experiment to determine the density of square block below. In order to…

A: Concept: Density is defined as mass per unit volume. Density =massVolume

Q: Which number is the smallest? O A. 4.38 x 10-3 O B. 4.38 x 103 O C. 438 U D. 4.38 x 102 O E. 4.38 x…

A: Given :-  A. 4.38 × 10-3 B. 4.38 × 103 C. 438 D. 4.38 × 102 E. 4.38 × 10-2  To be determined :- the…

Q: What is the SlI unit for mass? O kilogram O pound O gram

A: • We need to determine the SI unit of mass

Q: Part D 805 yd to km Express your answer using three significant figures. L3 = %3D

A:

Q: What Is Derived units?

A: A derived unit is a unit that results from a mathematical combination of SI base units.

Q: 1) CI (1 equiv) cat. AICI3 2) ΗΝΟ, cat. H2SO4 CI

A: Here the reactions are the electrophilic substitution .

Q: For the image attached Make a graph of the average mass vs year. Please label y and x axes

A: The graph to be plotted is Average Mass Versus Year.  Hence we have to take "Average Mass" on…

Q: lece of iron [c = ure of 57.0 °C and then placed Og piece of copper [c = 0.385 nsulated container.…

A: Given,  Mass of iron = 208 g Heat capacity of iron = 0.449 J/g-°c Mass of copper = 180 g Heat…

Q: 1) NaH HO. 2) A) I OH B) II C) II D) IV II IV 50% 34°F a here to search

A:

Q: A sphere of pure iron metalcontains 9.57 x 1024Fe atoms. What is the radius of the sphere in…

A:

Q: 9/5(31)+32

A: Given,  9/5(31)+32

Q: what number is represented by barn

A: Barn unit is used in nuclear chemistry.

Q: a teaspoon of a liquid has a mass of 7.39 g and a volume of 5.48 mL how many teaspoons would be in…

A:

Q: What is a suitable prefix that can be used for 1/1015

A:

Q: 8 - Which of the following numbers are not rounded correctly to 3 significant numbers ? a) 1.5587…

A: There are different numbers , that can be rounded to 3 significant Numbers as -  (1) 1.5587 =>…

Q: C10, +L CI0, + Mg2+ Mg-

A: Concept: Oxidation: Increase in the oxidation number Reduction: Decrease in the oxidation number In…

Q: 0.01061:0.00944 Find the ratio

A: We have given that                            0.01061 : 0.00944

Q: 19. The density of gold (Au) near room temperature is approximately 19.32 . How many mL micrograms…

A: Density is defined as the ratio of  mass and volume.  To find density in g/mL  mass should be…

Q: Brass is an alloy of copper and zinc. Varying the mass per-centages of the two metals produces…

A: Given:  The zinc by mass percentage=34%-37% Mass of yellow zinc=185g Mass of copper=46.5g

Q: Identify the elements present in the following molecules(see Table 1.1).

A: (a) H2O Elements present : H and O.       (b) CH4 Elements present : C and H.

Q: Explain how adding a prefix changes a unit

A: Unit is something which denotes a measurement. The quantities are usually measured in terms of…

Q: Match the correct prefix with the factor.

A:

Q: ?Y+ 90 39 Pe

A:

Q: How is chemistry in our everyday life’s ?

A: The human beings survived by the chemical process includes, respiration, digestion, reproduction…

Q: Round each number as indicated  a) 8.3158 (3 SF) b) 25225 (3 SF)

A: General rules for the significant figures are: 1) All non-zero numbers are significant. 2) Zeros…

Q: Q8. Write the names of these laboratory equipment (A,B and C) in the belo B C➡ A h

A: This apparatus is used in titration experiment.

Q: Use the following diagrams to answer the question(s). SAMPLE 1 SAMPLE 2 SAMPLE 3 SAMPLE 4 Intro to…

A: Element is consists of same type of atoms. All atoms of elements should be similar on all aspects.…

Q: why do we solve problems in a scientific way?

A: When a problem is solved, there are many chances of error. Even the best intentioned scientist can’t…

Q: O 19.0 cm³ 6.0 cm³ O 7.0 cm³ O 13.0 cm³ O

A:

Q: The U.S. quarter has a mass of 5.67 g and is approximately1.55 mm thick. (a) How many quarters would…

A: It is given that a U.S quarter has a weight of 5.67 g and has a thickness of 1.55 mm. and it needs…

Q: A sample of vegetable oil with density 913 kg/m3913 kg/m3 is found to have a mass of 46.7 g.46.7 g.…

A: Answer:

Q: How do I convert 299 Gm to nm ?

A:

Q: 12 O A.[01-1] O B. (01-1) o c. [21-2] O D. (21-2) O E. [0 -1-2]

A: Steps we have to follow-

Q: Calculate the density of (101) of Ag.

A: Relative density of silver (Ag) = 10.8 Density of water = 1000kg/m3

Q: 2319cm to m

A: Converting centimetres into metres.

Q: You have two objects made mass of 246.5 g. You measur 3.17 cm. Object 2 is a sphere sphere using…

A: According to the question, we have two objects made of the same substances. Object 1 is a cube and…

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…