What is 1.3 x 0.8

Q: State whether the following will sink or float when dropped into water. (a) wax (d = 0.90 g/cm³) (b)…

A: Density is defined as the mass per unit volume of the given liquid. d=mV where d: Density of the…

Q: 5.6 x 1012 is .. .... Small than 1 O Larger than 1 60,900,000 is equal to 6.9 x 10° О 6.09 х 10°…

A: We know 10 to the power something minus is a verry small number if the multiplier is not a large…

Q: Convert the following measurement. 3 kg 9.6 x 10 %3D mol · L mol dL

A: Unit conversion: 1000 g=1kg1 L=10 dL (decilitre) We have to calculate following: 9.6×103 gmol.L=_…

Q: I. Determine the number of significa 1. 8.314 g 2. 5.008 x 10-2 mM 3. MMNACI = 58.44 g/mol %3D 4.…

A: According to guidelines, only 3 sub parts have to be answered.

Q: How to tell whether a property is physical or chemical

A: Physical properties are the properties such as colour, melting point,hardness,density and doesn't…

Q: 8. 9. 6. 7.

A: Molecules (6) and (8) are ester Molecule (7) is an ether Molecules (9) and (10) are acid halide

Q: mL. What is t

A: To find the density of the substance whose mass of the substance is 50g  volume is 85.0ml

Q: Immunoglobulin antibodies occur in five forms. A sample of serum is analyzed with the following…

A: Given: The values of amount of each type of five forms of immunoglobulin are as follows,

Q: What is 2.07•2.008

A: the product of 2.07×2.008 is

Q: [H;O1+] 9.84 x 109M

A:

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: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A: Mass percentage of chromium = 18 % Mass percentage of Nickel= 8% Mass percentage of iron = 100 - (18…

Q: 9.87 g + 0.520 g g 9.607 g – 1.00 g %3D g 7.77 g - 1.4 g %3D g

A: In addition and subtraction,  the minimum significant figures in final answer is same as fewest…

Q: 8.8995 x 105 s =

A: Welcome to bartleby ! Introduction :  We have to convert the units .

Q: 1 mg is the same as O 1/10 cg O 100 cg 1/1000 kg 10 g

A: The symbol, mg is used to express the mass of substance.

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 O 4 O 5 0 6 07…

A: In measurement number digit in value is known as significant figure, all non zero digit are counted…

Q: the A sample of argon weighing 11.1 g occupies a volume of 15.7 L. What is the new volume if the…

A: [2.]  m1 = 11.1 g  V1 = 15.7 L  V2 = ?  m2 = 22.2 g  Molar mass of Ar = 39.948 g/mol n1 = 11.1 g /…

Q: O3.5 s O7.0 s 2.8 s 2.5 s

A: Given: The length of pendulum, (L) = 2m. The gravity on moon, (g) = 1.6m/s2.

Q: a room contains 4.23 x 10^24 molecules of oxygen. what is the mass of oxygen in the room?

A: Number of mole of substance is calculated by dividing mass of substance (m) to molar mass (M) of it…

Q: 4.44 x 1066/2.82 x 1023 = O 1.57 x 1043 O 1.57 x 1041 O 1.57 x 1044 O 1.57 x 1042

A:

Q: Calculate the volume (in cm³) of 179 ng of manganese. The density of manganese is 7.20 g/cm³. O 2.58…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Odd one out *   a. Shape of land surface b. Topsoil c, Slope of land d, Land position

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

Q: approx 1×10

A: The acidic strength of hydrides of halogen increase from down the group because the atomic size or…

Q: What volume of nitrogen gas (N2) is equal to 3.42x10^22 molecules

A: At STP:- 1 mol N2= 22.4L 1 mol N2= 6.022 x 1023 N2 molecules  6.022 x 1023 N2 molecules = 22.4 L…

Q: 16. What is 20.0 °C in K and "F? A: 293.2; 68.0

A: The temperature 20.00C is to be converted to other scales of temperature.

Q: 1) The number with the most significant zeros is A) 250000001 B) 0.00002510 C) 2.5100000 D)…

A:

Q: Which of the following is NOT included in Section 9: Physical and Chemical Properties (A) Chemical…

A: The correct option is:

Q: What is the mass of 1.86x10^24 molecules of nitrogen

A: first find the no. of moles of N2  then find mass by multiply by its molar mass

Q: 1 Sr(NO3)2 (aq) with 9.8 X 10" aq)? of the following is entirely 3.5 x 107, ppt forms 2.5 x 10-11,…

A: SrF2 ----> Sr2+(aq.) + 2F-(aq.) Reaction Quotient  Qsp = (6.6×10-2)(9.8×10-6)2 = 6.34 ×10-12

Q: ?Y+ 90 39 Pe

A:

Q: Describe the difference between a theory and a scientific law.

A: We usually come across different theories in the course of study and the scientific laws as well.…

Q: 16) 3.1 x 10 kL+534x 10 kL-

A: In the given question, we have to find out 3.1×104kL + 5.34×106kL

Q: Calcium carbonate decomposes at 1200 °C to form carbon dioxide and calcium oxide. If 25 liters of…

A: Given: The volume of carbon dioxide collected at 1200°C is 25 L. The final temperature is 25°C.

Q: a. Sns) + 2Cu°(aq) → Sn + 2C45) (ag) b. Mgs) + Pb"aq) Pb + Mg > (aq) c. 2MN2 + 8H;Om + 10Hg²"(aq) -…

A:

Q: The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to…

A:

Q: The distance between two atoms was determined to be 11.4 nm. What is this distance in centimetres?…

A: we know 1 nm = 1.0 * 10-9 m and 1 m = 100 cm => 1 nm = 1.0 * 10-9 m * (100 cm / 1 m) = 1.0 * 10-7…

Q: Perform the following calculations and round your answer with the correct number of sig figs: a.…

A: In cases of multiplication and division, count the number of significant figures in each given…

Q: A sample of clean, dry air is found to be 20.9% oxygen by volume. How many milliliters of oxygen are…

A: % volume by volume =( volume of solute/ volume of solution )×100 volume of oxygen = 20.9%

Q: ? 239 94 Ри + 96 X + ¿n

A:

Q: x256Lr → 101yMd + 24HE

A: Given : Incomplete nuclear reaction.  To find : values of x and y. Solution : As we know that, in…

Q: s 18 g

A: Mass % of HF solution = 34 % (w/w) 100 g of solution contains 34 g of HF. To get 34 g of HF solution…

Q: What is the mass (in g) of a diamond that occupies 6.09 mL if the density of diamond is 3.51 g/mL?

A: Density = MassVolumeMass = Density x volumeso using this formula, we can calculate mass of substance…

Q: [OH ] [H'] 1.0x103 3.6x10 5 pH РОН 6.21 4.84 5.1x10 3

A:

Q: 197.0 g 1 тol X 4 = 1 тol 6.022 х1023 10 10 3. (407.8 рт)3 х 1 рт

A: It is an example of simple unit conversion problems. We can calculate the value by cancelling the…

Q: You have mixed crushed mothballs in a sand, you want to purify the sand, you will do (pick the best…

A: Mothballs: These are made up of naphthalene and paradichlorobenzene. They exist as solid at room…

Q: 0.787 M 0.730 M O 0.763 M 0.270 M

A:

Q: 4.25 x 1024 atoms N converted to grams

A: We have given the atoms of nitrogen = 4.25 × 1024 atoms Avogadro's constant = 6.022 × 1023…