Remove parentheses and simplify. 5a 9b 5(4a 5b) 5a 9b 5(4a 5b)| (Simplify your answer.)
Please do equations 4a,4b,4c and 5a, 5b. 4. Balance each of the following nuclear equations: 234 63 29 5. Calculate cach of the following involving half-lives: a. The half-life of Na-24 is 15 h.If the initial activity of the sodium-24 is 6.4 mCi, what is its activity after 60. h. b. If a sample of I-123 with an activity of 4 kBq decays to an activity of 1 kBq in 26.4 h, what is its half-life?
5. Select one of the circuits below (5A or 5B), and determine the net capacitance of circuit. Also determine the voltage and charge associated with each component of the circuit, based on the one voltage or charge provided below the diagram. (Check the box of the circuit you choose, 5A or 5B.) Use the tables at below for your answers: A-6,0 mF B12F C-16 mF D-16mF Vc - 3.0 V (Voltage across C = 3.0 V) O Circuit 5A 1
Please answer both questions Simplify the following rational expression. 5a - 10 6a - 12 5a - 10 62 -12 (Simplify your answer. Type an integer or a fraction.) Simplify the rational expression 2x? - 5x - 12 x² - 5x+ 4
Simplify (Ou) Write your answer without parentheses. Worked Example e here tó search
5. Balance these nuclear reactions. 5a) 1124Na ---> 1224Mg + ________ 5b) 78170Pt ---> 76166Os + ________ 5c) 60135Nd ---> 59135Pr + _______ 5d) 165Ta ---> 10e + _________
8A H 2A 3A 4A 5A 6A 7A He Na Mg 3B 4B 5B 6B 7B 「-88- 1B 2B AI Si P S Cl Ar Zn Ga Ge AsSe Br Kr Rb Sr y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Ce Pr Nd P Sm Eu Gd Tb Dy Ho Er b Lu When cesium reacts with tellurium to form an ionic compound, each metal atom loses electron(s) and each nonmetal...
5a 5b 5c Required information [The following information applies to the questions displayed below.] Ricky's Piano Rebuilding Company has been operating for one year. On January 1, at the start of its second year, its income statement accounts had zero balances and its balance sheet account balances were as follows: Cash Accounts Receivable Supplies Equipment Land Building $ 6,000 Accounts Payable 25,000 Deferred Revenue (deposits) 1,200 Notes Payable (long-term) 8,000 Common Stock 6,000 Retained Earnings 22,000 $ 8,000 3,200 40,000...
its a two part question. plz look at second pic BA 3A 4A 5A 6A 7A He 27 Na Mg 3B 4B 5B 6B7B 8B1B2B K ca sa Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd Hf Ta W Re Os Ir Pt Au Hg At Rn TI Ra AC Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu FE...
BI U & A 5 5b. Factor the expression 5a. Factor the expression x' + 5x + 6 x² + 3x - 28 MUST SHOW WORK ON SEPARATE SHEET OF PAPER 2 6x - 14 = 0. 6. Solve for the exact values of x by completing the square: x Leave your answer in simplest radical form. MUST SHOW WORK ON SEPARATE SHEET OF PAPER 7 Chanc 2.2 A 2.unbate the followinn The My 2 4 3 5 6 9...
an alkaline earth metal in period 2 Express your answer as a chemical symbol. group 5A (15), period 3 Express your answer as a chemical symbol. a noble gas in period 3 Express your answer as a chemical symbol. a halogen in period 3 Express your answer as a chemical symbol. group 4A (14), period 4 Express your answer as a chemical symbol.