1. Calculate the mAs for the following exposures. (1 point each) a. 200 mA, 0.05 second - b. 300 mA, 0.25 second - c. 100 mA, 0.7 second - d. 500 mA, 1 ⁄20 second - e. 50 mA, 0.3 second - f. 150 mA, 11 ⁄4 seconds – g. 400 mA, 2 milliseconds
Q: How many moles of Na,SO4 are in 100.0 mL of a 0.2500 M solution ? The GFW is 142.07 g. O A. 0.0500…
A: 0.25 M Na2SO4 solution. Molarity = number of moles in 1L of solution So, 0.25 moles of Na2SO4 in 1 L…
Q: A. lor a wilution of 6.10 MH HO, calculate the conoertration of all species at equalibrium ( 14, 10,…
A: Let's work through the solution for both parts.Part A: Calculation of Species Concentrations at…
Q: In the figure below, Km is indicated at position labeled B Initial velocity (μM product/s) 50 45 40…
A: Km is Michaelis menton constant that corresponds to the substrate concentration at half maximal…
Q: briefly explain a. K-Mer b. B ion c. HDR
A: In molecular biology various mechanisms and terms are used to carry out the processes.
Q: 10.0. 0 M 0₁ 10.0. 0.0 ₂.0.0. 0. N B Using relative dating principles, what is the correct sequence…
A: Soil beds form in horizontal layers according to the principal of original horizontality. Soil gets…
Q: 14.9 g ice cube is placed into 332 g of water. Part A Calculate the temperature change in the water…
A: First, the heat absorbed by the melting ice needs to be determined. Molar mass of water= 18.015g/mol…
Q: A 0.897 g sample containing the chloride ion is treated with excess lead(II) nitrate. The…
A: Lead(II) Chloride (PbCl2) is an organic compound which is a white solid under ambient conditions. It…
Q: The following question tests your lab skills as well as basic knowledge understanding: (1). In…
A: 1Answer:: Primary standard is defined as the compound with sufficient purity from which we can…
Q: 2. Describe what needed to be done to each food sample, before it began to react on its own. (hint…
A: Food preservation is the act of preserving food in order to keep its best quality for a set period…
Q: Time Absorbance Concentration 60 0.223 0.0130 180 0.198 0.0115 300 0.206 0.0120 480 0.171 0.0099…
A: Enzyme kinetics is the field of biochemistry that enable us to determine the kinetic parameters of…
Q: 4. i. Using the data at the bottom of the question, calculate the enthalpy of formation of…
A: To answer the questions, we need to calculate the enthalpy of formation of W(CO)6(s) and the mean…
Q: Scenario: First, 0.1 mL of the unknown is mixed with 0.1 mL of distilled water. Then, 0.1 mL of the…
A: Beer-Lambert Law is applied in absorption spectrometry for biochemical analysis and measurement…
Q: What were the independent, dependent, and controlled variables in this investigation? What type of…
A: In this research setup, there are various food samples and their weight according to the temperature…
Q: None
A: A) Convert 58.76 Ms to ks:58.76 Ms = 58760 ksB) Convert 4.313 in/mi to cm/km:4.313 in/mi = 6.802…
Q: Describe the preparation of the following solutions include all mathematic calculations and…
A: Solution is a homogeneous mixture of solute and solvent. Concentration of solution is the amount of…
Q: What is the concentration in % (w/v) of a solution prepared from 50.0 g NaCl and 2.5 L of water? A.…
A: Percentage: The calculation of percentage is one of the simplest and most useful of mathematical…
Q: Draw a Time temperature transformation diagram for 0.8% carbon steel. On this diagram superimpose…
A: Step 1:Time-Temperature-Transformation (TTT) DiagramKey Features:Austenite: The phase present at…
Q: 10 b. The half-life of polonium-218 is 3.0 min. If you start with 20.0 g, how long will it be before…
A: According to the question The initial concentration is 20g No = 20g The final concentration…
Q: a 139 ng sample of radioactive material has a half life of 4.2 days how many ng of radioactive…
A: GIVEN: The initial mass of radioactive material = 139 ng Half-life =4.2 days Number of half lives= 3…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- None83 m = _____________ cm 584 µL = ________________ mL 08 g = ______________ mg 0.983 nm =_________ mm 2500 cm = _____________ mm 417 mL = ________________ L 15 mL = _____________ kL 843.2 cg = ________________ g Convert the valueste Table 1: Mass (g) of bags A, B, and Cover time (min). 15% 30% Mass of A (g) Mass of B (g) Time (min) 0 15 30 45 60 12.4 10.4 9.1 7.7 ebookda 6.2 11.6 11.2 10.9 10.4 10 Mass of C (g) 12.1 12.9 13.8 14.7 65% 15.9 1. What is the tonicity of the unknown solution compared to bag A, bag B, and bag C, respectively? Answer this question by completing the sentences below. Compared to bag A, the unknown solution is hyper-tonic, because the mass of the bag decrease out (increased or decreased) indicating that water flowed (describe the direction of osmosis). akom bag decrease (increased or decreased) out not Compared to bag B, the unknown solution is so -tonic, because the mass of the indicating that water flowed oud (describe the direction of osmosis). Compared to bag C, the unknown solution is hype-tonic, because the mass of the bag increased (increased or decreased) indicating that water flowed into the cell (describe the direction of osmosis). 2. The pattern of change in mass was similar…
- Which of the following specimens cannot be tested on the Velocity Macroscopic Chemistry Module? a. Gross Hematuria b. Specimens <2 mL c. Pyridium d. Diluted Specimens e. All of the above1. Calculate the MAWQ for an electronic balance with a linearity of 0.001 g and an acceptable error of 5% or 0.05.A. 29 mGy 42. A patient received a full-body gamma ray dose of 26 rad, a neutron dose (22 MeV) of 88 rad, and a proton dose of 54 rad. What was the effective dose to B. 29 rem this patient's liver? C. 29 mSv D. 29 mrem
- 2247 22.00 22.00 20.00 18.00 16.00- 14.00 Sample type HINA 40 Sampie D 12.00- 10.00 9 8.00- 6.00- 4.00 2.00 Samplee 20 Abs 224 4-260 10 mm path (23.055 A-280 10 mm path (11.20 200/280 2.00 200/230 1 0.00 -2.55 220 230 240 250 260 270 282 290 300 310 320 330 340 350 nglu s222 Wavelenath nm We have extracted nucleic acids from tissue. A spectrophotometer was used to analyze the samples. What information do we get if we calculate the ratio of the Absorbance value at 260 nm to the Absorbance value at 280 nm? 10 mm AbsorbanceHow many ml of a 40% solution can be prepared from 42.8 mg of sucrose? How many ml of a 40% solution can be prepared from 42.8 mg of sucrose? Question 3 options: b. 0.107 µl e. 1.09 µl a. 1.11 µl c. 10.08 µl d. 2.08 µlYou are supposed to use the fake chart. practice: Covalents (Fake) Write the name for MsBoPlP Write the name for Mc2Pr
- Use the following balanced equation for problems 1–5. Molar masses are given below. 2 As 3 H2 2 AsH3 150. kcal + + molar masses 74.92 g 2.02 g 77.95 g How many moles of hydrogen are required to react with 25.00 moles of arsenic, As ? A. 75.00 mol B. 25.00 mol C. 16.67 mol D. 37.50 molС. Determination of SiO2 46.582 1. Mass of evaporating dish #1 and SiO2 (g) 45.330 2. Mass of evaporating dish #1 (from part A) (g) 3. Mass of SiO2 (g) calculation botimizongns od no base to noitiaoqmoo laoimado od epeisicej coml 4. Percent of SiO2 (show calculations) बि रोियोदरा wod we iwollot onT wwrle of onua ootanop goieim adi otaluole Dercuman calculation To D. Mass of original sample (g) olgmee lanigiho baa cenM Mass of recovered (NH4C1 + NaCl + SiO2) (g) () lo eaaM S calculation (8) oiqmez Isnigho lo sasM E Percent recovery of matter T deib 2anM A calculation