(2.08 x 105)(7.0 x 10-5) =

Q: Q1: What is the density (g/ml) of a 3.6M Sulfuric acid solution that is 29% H,So, by mass (Mwt. =…

A: Given 3.6M H2SO4  29% H2SO4 by mass means that 100 g of solution contains 29 g of H2SO4  Mw (H2SO4)…

Q: (904.6 - 2.9)/3.52 x 10^4

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: NaOH buret 2nd reading 29,45 32.05 NaOH buret 1st reading 0,02 mL 0.01 mL Slighty derker pinh Light…

A: Formula used : RSD = s ×100x¯ where, RSD = Relative Standard Deviations = Standard Deviation x¯=…

Q: 5. Perform the following calculations using your calculator: a. (3.21 x 104) (6.59 x 103) = 6.24…

A: a. 3.21×104 ×(6.59×103)     =211539×103 b. 6.24×103/1.95×104     = 0.32

Q: Complete the following table. NB ké R 100,000 1.05 0.50 10,000 1.10 1.50 10,000 4.0 1.00 1.05 3.0…

A: NB a kb, R 100000 1.05 0.5 1 10000 1.10 2 1.50 10000 1.10 4 1 10000 1.05 3 1.75

Q: How many kg are in 3000.0 cg?

A: Given 3000.0 cg and cg refer to centigram

Q: 1.) 1/10^4= 2.) (10^-2)(10^-3)= 3.) 10^-6/10^8= 4.) (10^4)^-4=

A:

Q: |CE] (M) 0.0100 Еxperiment |NO] (M) Rate (M/s) 1 0.0300 3.4 x 104 2 0.0150 0.0100 8.5 x 10-5 3…

A: Rate constant can be find by finding order of equation. Then Putting any experimental values give…

Q: X 2 - 6x-8=0

A: We are given that , x2 -6x -8 = 0 We have to find value of x.,

Q: During extreme hypothermia, a boy’s temperature droppedto 20.6 °C. What was his temperature in…

A: Solution- Given data- temperature dropped = 20.6 °C.

Q: (OH] = 3.1x10-10 M Express your answer using two significant figures. ? [H3O*] = M %3D

A: Given  [ OH- ]      =  3.1 × 10-10 M  [ H3O+ ]    = ?

Q: 0.21 М CН3NH3І (Къ(СH3NH2) — 4.4 x 10-4)

A:

Q: What is the result of the following arithmetic operation? (1.369 + 0.56) / 20 = ? O 0.0964 O 0.096 O…

A:

Q: [H*] 7 4x10-3

A:

Q: The numerical value for (5.6 x 104) ÷ (7.89 x 102) is equal to, with the proper number of…

A:

Q: (b) Calculate: (24 x 4.52) 100.0

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: Draw the products of each reaction.

A: The product of each reaction has to be drawn.

Q: (9.75 x 103)(8.4 x 10-6)

A:

Q: 3x < 3 or 4x + 6 < -3 and write the solution in 4 Solve interval notation.

A:

Q: Solve: ) -5) 6.00 x 10 x (8.00 x 10 8.00 x 10 x (681)

A: Mathematical tools are the tools which can simplify the complex equations and calculations. Simple…

Q: 1.00 x 10 8 + 9.45 × 10 4.03 x 103 +1.00 × 10 8 3.17 x 104 9.68 x 106 (1.00 x 10-8) (9.45 x 10- 4)

A: 1.00×10-8+9.45×10-4we can write…

Q: how many years would it take for it to reach 10000

A: Given: Mass  of the tablet= 325 mg A=32512t15 To find: The time that will take for the amount of…

Q: 10^-2 + 9.92 x 10^-3

A: In multiplication,  significant figure rules in multiplication  , The answer has the minimum number…

Q: 2. Convert 475.0 dyne/cm? to Pa.

A: Given 475.0 dyne/cm2

Q: Q1: What is the density (g/ml) of a 3.6M Sulfuric acid solution that is 29% H2S04 by mass (Mwt. =…

A:

Q: where did 6.022x10^23 came from in step 2 for this question

A: For the given problem: The number of moles of PbI2 is calculated first. Now, 1 mole = 6.022 x 1023…

Q: (c) 1. THF H2C CEN 7. 2. H30* N(CH3)2 (d) 1. THF H2 N. 2. H30* e2016 Cmgage Laaming

A: Stork enamine alkylation: Stork enamine is an addition reaction of the unsaturated carbonyl…

Q: ny mL of 0.2

A:

Q: сак 3 '२ 5 = 3 ax² a) (R+ ŝ) { x² + 1 ) ( X4 X b) R Ŝfin and ŜR f(x) = (C) R Ŝ fex) - ŜR Fex)

A:

Q: 3- 1-6 x10 3.

A: The given question is: 1.6×10-86.0×103=? Solving 1.6/6.0: 1.66.0=0.267

Q: 4 PPM Moleculan yoomula ;- G# g0

A: C5H11OCl ( DBE = 5- (11+1/2)+1 = 6-6 = 0.

Q: f) 0.0000010 1x10^-6 h) 7.00

A:

Q: where did you get 10^-14?

A:

Q: Evaluate (3x10^0)/(4.0x10^0)*(1.28x10^2))

A: The numbers involved in the operation are  1) 3 X 100 = 3 2) 4.0 X 100 = 4.0  3) 1.28 X 102

Q: If a temperature scale were based on the freezing point(5.5°C) and boiling point (80.1°C) of…

A: Given data:   Freezing point of benzene = 5.5oC      Boiling point of benzene = 80.1oC Number of…

Q: mL

A:

Q: O 07x 10-10 M

A: This question is related to pH.

Q: lim (sin x · In x) = x→0+ IT 2 8.

A:

Q: wouldnt a nano be 10 -9?

A: Convert micro liter to nano liter

Q: (4.3 x 10^4) / (2.9 x 10^-3)

A: Solution- Chemistry numerical problem solve is given below -   4.3×1042.9×10-3=4.3×1072.9

Q: d. [H]= 1 x 10-13 M e. [OH]=1 x 10º M

A: Calculate pOH of the following ---

Q: Styles 2. - 85 g/100 g water Saturated calcium chloride at 20 C

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: How much volume (in cm3cm3) is gained by a person who gains 12.6 lblb of pure fat

A: Given information, Mass = 12.6 lbs Volume = ? The relationship between mass and volume is given by…

Q: Convert 5.5Tm(tera meter) to Km O a. 5.5x10 15 O b. 5.5x10

A: Tera(T) =1012 kilo(K)=103

Q: what is the sum of the measured values 539, 35.4, 0.90, and 9.0 ?

A: For the addition of the number first we have to count the significant figures in the in the decimal…

Q: O 250. mL

A:

Q: Which of the following equation follows the rule of significant figures? O antilog (0.50) = 3.2 O…

A: Here, we have to find the equation that follows the rule of significant figures.

Q: 7. How many ft/min in 14.2 km/hr? 1 bour

A:

Q: 1. Express the following values in decimal notation 1. 4.7 x 10-5 2. 2.75 x 104

A: Decimal notation is the representation of the numerical value in the whole number.

Q: Con 5 Convert .2x 10°pLinto cL Cuse 3 conversion factors)

A: Conversion system can be done by basic conversion factors. As we know , 1m = 100cm The same goes for…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.