Answers created by Kai

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• How would you write the molecular formula for dinitrogen trioxide and nitrogen monoxide?
  
• What type of reaction can be harnessed to design a battery?
  
• What is Δn for the following equation in relating Kc to Kp? H2(g) + Br2(g) ↔ 2 HBr(g) a) -2 b) 1 c) -1 d) 2 e) 0
  
• The #K_a# for #HCOOH# is #1.78*10^-4#. What would be the expected #[H_3O^+]# for a 1.0 M water solution of #HCOOH#?
  
• What is the difference between a shell and a subshell?
  
• What is the derivative of #f(x)=10/x^2+1#?
  
• What happens at the cathode in an electrolytic cell?
  
• How many valence electrons are in carbon?
  
• Which type of intermolecular forces exist between (a)#H_2S# molecules (b)#Cl_2# and #C Cl_4# molecules?
  
• What is the slope of the line passing through the following points: #(3, -1) , (-4,5) #?
  
• How do you write the first six terms of the sequence #a_n=n^2#?
  
• You have 894 mL of chlorine trifluoride gas at 772 mmHg and 28°C. What is the mass (in g) of the sample?
  
• What do you mean by vanderwaal forces ?
  
• What are 3 ways to increase solubility of a solid?
  
• How many moles of cholesterol are represented by 2.05 * 10 ^7 molecules of cholesterol?
  
• What is the maximum temperature of the water in the insulated container after the copper metal is added? (also steps on how to solve this problem please)
  
• 3.00 moles of gas are in a container with a volume of 60.0 liters and at a temperature of 400. K What is the pressure inside the container?
  
• Calculate the mass of NaOH needed to make 250ml of 0.200 M aqueous solution?
  
• Why aren't the atomic masses of most elements whole numbers?
  
• What enthalpy change is occurring?
  
• Why are GMFs considered unhealthy?
  
• How do you solve #3\times 8\div 6=#?
  
• How do you solve #3\times 8\div 6=#?
  
• What is the covalent compound formula for N2O5?
  
• Writing chemical equations?
  
• What is the function of mRNA?
  
• Which is a factor in determining the average atomic mass of an element?
  
• What will happens to our body when we drink 6L of water in one sitting?
  
• What is the inverse function of #f(x) = 4x + 2#?
  
• How do you find the 8th term of -1, 1, 3, ...?
  
• How do you solve #9^(x-1)= 5^(2x)#?
  
• What is the molecular formula of each compound if the empirical formula is CH and the actual molar mass of compound is 78 g/mole?
  
• Whats something thats malleable?
  
• How much heat is evolved when 907 kg of Ammonia is produced according to the following equation? (Assume that the reaction occurs at constant pressure) #N_2(g)# + #3H_2(g)# #rarr# #2NH_3(g)# ; #DeltaH# = -91.8 kJ Thank you so much! :)
  
• What is the mass of 0.357 mol of the element potassium (K)?
  
• A sample of 1.0 mol of gas is stored under a pressure of 10.0 atm and kept at a controlled temperature of 200 K. What volume of gas is in the sample?
  
• A sample of dry gas is found to occupy 2.850 L at 22.0°C and .918atm. How many moles of the gas are present?
  
• How do to measure the solubility of a solid?
  
• Calculate the volume of 3.00 moles of gas at 24.0 oC and 1 atm?
  
• If you have 6.02 x 10 ^23 molecules of water in a glass, how many moles do you have? •1 •2 •3 •4
  
• What is the mass of three moles of oxygen atoms?
  
• Are the attractions water molecules have for each other stronger or weaker than the attractions between molecules of carbon dioxide? Thank you!
  
• Electronic configuration of bromine ?
  
• If 42.5 mol of an ideal gas is at 8.77 atm and 439 K, what is the volume of the gas?
  
• Determine an equation of a tangent line to the curve y=-3x+2/x+100 at the point where x=2? thanks
  
• Is #"Na"_2"SO"_4"# soluble in water?
  
• What would happen to the message if an error were made in transcribing DNA?
  
• Using this balanced equation in order to produce 7 moles of oxygen gas, how many moles of water would you need to start with? 2H2O -- > 2H2 + O2.
  
• Please show how you did each?
  
• What recursive formula can be used to generate the sequence #5, -1, -7, -13, -19#, where #f(1) = 5# and #n>1#?
  
• What are the first four terms of the sequence #r(n)=4.5n-8# ?
  
• What are positively charged subatomic particles called?
  
• How do you solve #11 + sqrt(2x+1)=2#?
  
• Question #29db0
  
• Where is the genetic material located in a bacterial cell?
  
• How do you solve #8m -55 =10.1#?
  
• What is atomic radius?
  
• A salt has percentage by mass, 20.00% with respect to magnesium, 26.66% with respect to sulfur and the balance is oxygen... What is the empirical formula of the material?
  
• Domain of f(x)?