A student determined the density of a solid to be 2.90, 2.91 and 2.93 g•cm–3. If the actual density of this solid is 2.70g•cm-3, how should the student's results be described? a. High accuracy and high precision b. Low accuracy and high precision c. High accuracy and low precision d. Low accuracy and low precision

Q: /(0.124M)+6.90 x 104 4Y3.45x104): 1 2.84 y0 is what I Keep Suting bt The Correct answer As- 0.124 M…

A: I think the parameter that has been asked in your question is concentration of reactant a at the…

Q: A student wanted to measure the density, in g/mL, of an unknown metal alloy. They had multiple sized…

A: To find the density of unknown metal, first draw the graph of mass Vs volume. Create a regression…

Q: density of irregular solid mass of irregular solid 9.039 g initial volume 68 mL final volume 74…

A: Given , Mass of irregular solid = 9.039 g Initial volume = 68 mL Final volume = 74 mL Total volume…

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: Gold can be hammered into extremely thin sheets calledgold leaf. An architect wants to cover a 100…

A:

Q: A titanium cube contains 3.25 x1023 atoms. The density of titanium is 4.50 g/cm Part A You may want…

A: Given : Number of titanium atoms in cube = 3.25 X 1023 atoms And density of titanium cube = 4.50…

Q: A 22.37 g sample of pure sodium was prepared for an experiment how many mL of sodium is this?( the…

A:

Q: Distinguish between accuracy and precision and between systematic and random error (§1.5) (EPs…

A: Accuracy – How close a measurement is to the actual or expected value. Precision – How close a set…

Q: Gold costs $400 per troy ounce, and 1 troy ounce 5 31.1035 g. Determine the cost of 10.0 cm3 gold if…

A: The relation between mass, density and volume is shown below.

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

A: Given,

Q: A student experimentally determines the density of water to be 0.9955 g/mL. The reported density of…

A:

Q: To determine the density of a solution, the mass and volume of two samples are measured. The results…

A: Rule for significant digits: The significant number of answer in division is determined by the…

Q: A student measures the dimensions of a metal block to be 2.0 cm in length, 1.0 cm in width, and 0.75…

A: a. Given mass of metal = 7.56 g And dimensions of metal block = 2.0 cm in length, 1.0 cm in width,…

Q: An empty beaker weighs 31.9982 g. A 10-mL pipet sample of an unknown liquid is transterred to h…

A: Density = Mass/Volume

Q: 5. A lab experiment requires 0.5 g of copper wire (d = 8.94 g/mL). The diameter of the wire is…

A: The length of the copper wire can be determined by calculating the density of the copper wire using…

Q: Which of the following is incorrect: a. General steps in quantitative analysis include: Method…

A: Statement a is correct because it include correct general steps in quantitative analysis.

Q: A metal slug weighing 25.17 g is added to a flask with a volume of 59.7 mL. It is found that 43.7 g…

A:

Q: An irregularly shaped piece of a shiny yellowish material is weighed and then submerged in a…

A: (a) Density of a material is equal to the mass of a material divided by its volume. Write the…

Q: (d) 99 253 Es +He 101 Md + ? 246 Cm +°C → 5 ,n+ ? 13 (f) 249 Cf + ? → 260 Db + 4 on 98

A: Given are nuclear reactions.

Q: A standard sample of pooled human blood serum contains 42.0 g of albumin per liter.Laboratory X…

A: Precision is the reproducibility of measurements where accuracy is the closeness of measured value…

Q: Given: Density @23°C = 0.99755 g / mL Total volume Mass of Mass flask Mass of True volume Correction…

A: The data given is,

Q: What would be the difference in precision and accuracy if I chose to use a graduated cylinder…

A: Solution Beakers, chemist flasks, dropping funnels and therefore the like aren't volumetrical…

Q: 0.50 m = 1.00 g = 22.4 L= 345 g = 3.001 cg= mm _kg mL _kg mg 2.00 km = 01.00 cm = 5.00 g = 10.0 nm =…

A: Conversion factor is the ratio that provides the relation between distinct units of the same…

Q: 6. What is the difference between ACCURACY and PRECISION?

A: Accuracy:The measurement of how close the calculated value to the standard value is said to be…

Q: Volume Mass Density Dime 0.34cm3 6.6706 g/cm3 Penny 0.4332cm3 5.77 g/cm3 Quarter 0.81 cm3…

A: Given, Mass density (ρ) and Uncertainty in mass density (ẟρ) is given in the question.

Q: 22) The scientific method involves various techniques which allow researchers to investigate…

A: Experimentation is the process  of doing an experiment.  Observations is the process of following…

Q: Alumimnum foil dimensions Length (cm) 15.02 cm Width (cm) 11.61 cm Mass of aluminum foil (g) 11.447…

A: Introduction: Density is the mass per unit volume of a material. density is  d = MV where  d is the…

Q: A thin sheet of lead measures 15.5 cm by 23.0 cm and weighs 0.627 g. If the density of lead i 11.34…

A: Given,Sheet of lead measures= 15.5cm by 23.0cm.Weight = 0.627g.Density of lead = 11.34g/cm3.The area…

Q: --------------------------------------------------------------------------       RELATIVE…

A: Object     Relative Uncertainty in mass δm/m(%)      Relative Uncertainty in Diameter δd/d (%)…

Q: 1 What is chemistry? A. The study of composition of matter. B. The study of the behavior of matter…

A: Chemistry is the branch of science that deals with matter's composition and properties. Hence option…

Q: G. An irregularly-shaped sample of aluminum (- put on a balance and found to have a mass of 43 9.…

A: Volume of copper = Difference in the water levels…

Q: A technician used a section of glass tubing to measure the density of   a liquid. The inside…

A:

Q: The volume of a metal bar can be determined by immersing it in water in a graduated cylinder and…

A: Density of a substance is given by  Rearranging it becomes and density=

Q: Consider the tabulated data collected by a student for an unknown metal sample. Use this data to…

A:

Q: Part C Pb02 (s) + 4 H (ag) + Sn (s) → Pb²+(ag) +2 H20 (1) + Sn² femplates Symbols uado redo reset…

A:

Q: c) A metal sample has a mass of 7.56 g. The sample is placed into a graduated cylinder previously…

A: Given :  Mass of metal=7.56 g Initial volume=20.00 mL The final volume of water= 21.68 mL Volume of…

Q: 6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equal to

Q: 5. In an experiment, you would want to separate the mongo beans from water? What process of…

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

Q: "Systematic errors typically affect accuracy whilst random errors generally affect precision”. Do…

A: Accuracy means if we are performing any experiment and if we get a true value(expected value) than…

Q: What is the only way to reduce random error in measurements?

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: A piece of alloy in the form of a disc weighs 50.0 g.  The disc is 0.250 inches thick and has a…

A: First we have to find the volume occupied by the disc

Q: Is scientific method always orderly

A:

Q: precise. You work in a chemistry lab. The chemical test you do is based on a color change when two…

A: The color of the reference standard is yellow The color of the first 5 samples is also yellow. The…

Q: ओोण्ना व छैकामकोe oनहवड (०. 655 Mmol) वर ०.6३० वरनल डि एतविल्वरव कीलता एतविकवहवd 2.5५ । t० s.32 L.…

A: Pressure=0.630 atm  V1=2.54L  V2=9.32L  R=0.08206 atm-L/mole. K