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- Systematic error causes the mean of a data set to differ from the accepted value. True FalseCompute 4.659 x 104 – 2.14 x 10ª. Round the answer appropriately. Express your answer as an integer using the proper number of significant figures (e.g. 12300).Q6 The correct answer is 1.927E-5 but pls explain how to get to that!
- 1. Evaluate the following expression to the nearest whole number: 6⁶ × 6⁻⁴ 2. Evaluate the following expression to the nearest whole number: log(10⁵) 3. Evaluate the following expression: 18 + (6 - 2)² × 3 4. Express the following sum as a decimal to four significant figures: 1/3 + 3/4 = 5. Solve for the positive value of x that satisfies the following equation: (x + 9)(x - 2) = 60 6. Solve for x to the proper number of significant figures: (0.500)^(x/4.50) = 0.100 7. Solve for x: 14x + 10 = 38 8. Which of the following is a pure substance that cannot be broken down into simpler substances by chemical means? A) Homogeneous mixture B) Chemical compound C) Chemical element D) heterogeneous mixture E) Solution 9. Which one of the following is NOT an example of a compound? A) concrete B) rust (iron oxide) C) carbon dioxide D) ammonia 10. Which one of the following is an example of an element? A) brass B) nickel C) bronze D) sterling silverCalculate the electrostatic force of repulsion for two protons separated by 93.0 pm. The charge of a proton is q = 1.6 x 10-1⁹ C. Express your answer to two significant figures and include the appropriate units. Fel = μA 2.7.10 6 Submit N Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remaining Use the equation Fel = K(Q₁ Q₂/d²) to find the electrostatic force between the two particles. Q₁ and Q2 are the charges on the particles (charge of a proton here), and d is the distance of separation. The constant is given in the introduction and has the units Nm²/C². This means that the distance must be converted from picometers to meters using the relation 1 pm = 1 × 10¯ m. -12An electric current of 0.650 A flows for 1.0 second. Calculate the amount of electric, charge transported.. Be sure your answer has the correct unit symbol and 2 significant digits. 0 x10 ロ・ロ X μ = 5.:.
- use this Literature value FeSCN2+ = 8.9X10^2 and solve for part C-2. Please type the answers.[H3O+] = 1 x 10-4M Express your answer using one decimal place.Multiply both sides of the equation by the same expression: (Be sure that the answer field changes from light yellow to dark yellow before releasing your answer.) 1 1 *(-A) [A] [A]o Drag and drop your selection from the following list to complete the answer: -t 1 t = t 1 t x kt
- it is asking for a calculation rather than a worded answer.a .ull Asiacel| 10 N 141 N O A box with a volume (V=0.05 m³) lies at the bottom of a lake whose water has a density of (1*10³ kg/m³). How much force is required to lift the box, .if the mass of the box is (1000 kg) 9319.5 N O 9313.9 N O 9391.5 N O 9315.9 N O A future rectangular ship filled with oil. If the dimensions of the ship are (250 m) long, (80 m) wide, and (80 m) high. Determine how far the bottom of the ship is below the sea level? (Consider the total mass of the ship with the oil is (10.2*108 kg), and the .sea density is (1024 kg/m³))MISSED THIS? Watch KCV 15.8, IWE 15.9, 15.12; Read Section 15.8. You can click on the Review link to access the section in your eText. Consider the following reaction: A(g) = B(g) + C(g) Find the equilibrium concentrations of A, B, and C for each of the following different values of Kc. Assume that the initial concentration of A in each case is 1.0 M and that the reaction mixture initially contains no products. Make any appropriate simplifying assumptions. Part A Kc = 2.0 Express your answer using two significant figures. Enter your answers numerically separated by commas. View Available Hint(s) [A], [B], [C] = {ΠΙ ΑΣΦ Submit Previous Answers ? M