Only B and D are x Ray spectroscopy sources.
X Ray tubes generate X-rays and synchrotron generates highly energetic X-rays.
A and C are used as atomic absorption spectroscopy sources.
E is used as radiography source.
F G H and I are used as UV-visible spectroscopy sources.
Select all the X-ray spectroscopy sources O Select all that apply Hollow cathode lamp B X-ray...
Question 9 (5 points) Hollow cathode lamps a) have an anode made of the element(s) the lamp is intended to analyze for. b) have a cathode made of the element(s) the lamp is intended to analyze for. c) are filled with either Neon or Argon gas. are always made with a mercury cathode. d) e) a and b f) a and c g) a and d h) b and c i) b and d Question 21 (1 point) Hollow cathode...
Which of the following are even functions? Select all correct answers. Select all that apply: O f(x) = -3x O f(x) = x - 6x B O f(x) = -x? - 5 O f(x) = -x + x + 1 O f(x) = 4x + 4x? = 3x - 1
EXERCISE 10.9: What voltage would you need to apply to the X-ray tube of an XRF spectrometer in order to inducea K emission from: (a) Mg (b) Ti (c) Mn (g) Ca (h) Rb (i) Cd (d) Pb (e) As (f) Bi
EXERCISE 10.9: What voltage would you need to apply to the X-ray tube of an XRF spectrometer in order to inducea K emission from: (a) Mg (b) Ti (c) Mn (g) Ca (h) Rb (i) Cd (d) Pb...
B cell activation requires (select ALL that apply): O T cytotoxic cells O Tcell receptor (TCR) binding to antigen displayed in MHC-|| O antigen binding to antibody on B cell surface T cell receptor (TCR) binding to antigen displayed in MHC-I Question 3 1 pts Which statement(s) about C proteins in the complement system is true (select ALL that apply): Cproteins are always active as they circulate through the body All of the C proteins are equally important for all...
select all that apply please
QUESTION 2 Which of the following are integral domains? 72 O Z/18Z Q(V2) = {a + V2: a,b E Q] QG2, V3) = (a + b3 + c/3 + dv6: a,b,c,d E Q} Z1V3] = {a + bv3: a,b E Z} R= {a + b2 : 0,5 € Q] Z[i]= a + bi: a,b E Z} Q 3) = (a + b3 + c19:,b,c E Q) QUESTION 3 Which of the following are fields?
I GOT C, B, AND F.
Am I missing one?
Two subspaces X, Y C Rn are orthogonal if what is true? Select all of the following that apply. (A) There is an x E X and a y E Y where xTyメ0. (B) Given any x E X and any y E Y we have хту-0 (C) XLY. (D) X Y. (E) XCYor YCX (F) There is an x X and a y e Y where xTy 0. (G)...
Which of the following has no absolute extrema? (select all that apply) a: y = -19tan(x) b: y = -19x^2 c: y = 19 d: y = -19cos(x) I am pretty confused on local/absolute max/min and the extrema it would be great if you could be able to explain a bit about it too. I can't figure out this practice question. Thanks for your help.
How many alkanes have two chiral centers? Select all that apply. a. octane b. 2-methylheptane c. 3-methylheptane d. 4-methylheptane e. 2,3-dimethylhexane f. 2,4-dimethylhexane g. 2,5-dimethylhexane h. 3,4-dimethylhexane i. 2,2-dimethylhexane j. 3,3-dimethylhexane k. 3-ethylhexane l. 2,3,4-trimethylpentane m. 2,2,3-trimethylpentane n. 2,3,3-trimethylpentane o. 2,2,4-trimethylpentane p. 3-ethyl-2-methylpentane q. 3-ethyl-3-methylpentane r. 2,2,3,3-tetramethylbutane
3 attempts left Check my work Select all that apply. Choose the expressions below that properly express the rate of the following reaction in terms of the disappearance of the reactants and the appearance of products. 5Br (aq) + BrO3(aq) + 6H(aq) + 3Br2(aq) + 3H2O(1) Check all that apply. 1 A[Br] A) rate = - B) rate = A[Br] ΔΙ A[Br031 5 A1 1 A[BrO3) 1 A[Br] At 1 A[Br03] 3 A7 D) rate = E) rate= F) rate=...
select all that apply please
Q&/3) = {a + b3 + c^9: a,b,c € Q} QUESTION 4 Which of the following rings R. is S a subring of R? O R = set of integers, S = set of odd integers. OR is the set of integers, and S = 6Z R is the set of complex numbers, and 5 = {a + bi: a, b E ZH R= Z125Z, and S = {0,5,10,15,20). QUESTION 5 Which of the following...