33 and 34 thank you QUESTIUN 33 The wavelength of light that has a frequency of...
Given values: h = 6.626x10-34 J*s, N = 6.022x1023, c=3.000x108 m/s 1) The wavelength of light that has a frequency of 1.66 × 109s -1 is __________ m. A) 0.181 B) 5.53 C) 2.00 x 10-9 D) 5.53 x 108 E) none of the above
I feel like my answers are wrong, so can
someone answer these questions? Thank you!
1. Consider the following reaction by which hydrochloric acid is used to neutralize 20 ml of 0.1 M NaOH. a. In the titration process: NaOH should be in the and it is called HCI should be in the and it is called ______ is neutralized by ____ henolphtalein will be added to the analyte to turn the __ _________ into ____at the endpoint. b. Write...
13 to 15 thank you
QUESTION 13 Which two elements have the same ground-state electron configuration? O Cu and Ag O Pd and Pt O Cl and Ar O Fe and Cu No two elements have the same ground-state electron configuration. QUESTION 14 How many moles of CaCl2 are formed in the neutralization of 138 mL of 0.352 M Ca(OH)2 with aqueous HCI? (sig. figs. matter for this one) QUESTION 15 How many kJ of heat are released when 15.75...
please solve what you can and show your work. I'm not really
good in chemistry??♀️
Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry 1) Of the species below, only is not an electrolyte. A) HCI B) Rb2804 C) Ar D) KOH E) NaCI 2) Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? A) calcium nitrate B) sodium bromide C) lead nitrate D) barium nitrate E) sodium chloride 3) When aqueous solutions...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...