Search: Explain chemical interferences in flame

What interferences can you draw from thr fact that china, with 1.4 billion people is the most populo... Explain the chemical changes that occur in the red cabbage lab that changes the color of the cabbage... Explain why a chemical with a long-half life may create problems in the environment? Chemical equations to explain the separation of benzoic acid and naphthalene EXPLAIN BOTH CHEMICAL AND PHYSICAL CHANGES WHEN CANDLE BURNS ALSO CHAMICAL SYMBOLS Explain with a chemical equation why the pH of the salt solution is or is not the same as pure water... Explain how the chemical compounds that were once in a piece of granite exposed on the top of a moun... EXPLAIN THE CHEMICAL COMPOSITION OF BOTH SIDE OF THE EQUATION BELOW 3CaSO4+2ALCL3= 3CaCL2+AL2(SO4)... Explain how chemical energy is transformed when plants or animals use it. When a plant or animal die... Would flame test be useful for detecting metal ions present in a mixture of metal ions? How is the flame test used to identify cations? The flame in a torch used to cut metal is produced by burning acetylene(C2H2) in pure oxygen. Assumi... Does the flame of gas stove emit light when doing a flame test: the hydrated salt is overheated and the anhydrous salt thermally decompo... A candle flame is placed in front of a concave mirror on the principal axis such that is twice the s... What gas is produced when flames burn? does the flame of gas stove emit light?explain 1.the flame of the candle or other burning matter always towards upward direction.why? 2.when the... Regarding Flame Tests, why do you have to subject the sample to a flame? Which part of the Bunsen B... why does the flame of a candle always faces upwards though the gravity of earth is pulling everythin... Would Flame test be useful for detecting metal ions present in a mixture of metal ions?? It is not... I'm doing a flame testing lab in which I'm supposed to be able to identify an unknown element by obs... We did a flame test today to see what substances produce what colors when burned. Can you please e... Consider a red flame color produced by excited lithium with a wavelength of 671 nm. What is the mass... is a flame coloration a test for the metal or for the acid radical? A flame is ejected vertically upward from the groung at 15m/s.Find the height of the flame after 2.5... Can a flame test and emission spectrum test be used to identify a mixture with two or three elements... If a flame on the candle burns red , how does energy of that flame compare to that of the Bunsen bu... why is flame test for chemicals important? give me reasons A campfire has a flame 24 inches tall after burning for 4 hours. After 6 hours, it is 20 inches tall... what is the flame test for nickel We did a flame testing lab today with the following metal ions: Sodium, Na^+1 Barium, Ba ^2+ Ca... Hydrogen burns with blue flame.Oxygen support burning when two atoms of Hydrogen combines with one a... a bunsen burner flame takes 8 minutes to raise 250g of water from 20 degrees to 100 degrees celcius,... Given the following chemical equation, determine how many grams of N2 are produced by 9.72 g of H2O2... so you have this chemical you tested on mice and rats now you are going to test it on humans to how... For the following chemical reaction HCN(aq)+KOH(aq)--->H2O(l)+KCN(aq) Write the net ionic equati... What chemical sometimes used to make the specimen visible Consider the following chemical reaction: Cr3+(aq) + 6H2O(l) → [Cr(H2O)6]3+(aq) Would this reaction... Consider the following chemical reaction: NaOH +HC1 -> NaC1 + H20 When 36.5 g of HC1 are reacted... one example of a chemical in food that is not a nutrient is? a)fiber b)selenium c)starch D)FOLAT... Consider the following chemical reaction. Molecular hydrogen and carbon dioxide react to form water... what is the chemical name of NaKC8H4O4 What is the chemical name for BeCrO4*5H2O? Which of the following chemical reactions is written to show that mass is conserved? A H2O to H2+O2... Consider the following chemical equation. Na3PO4(aq) + Ca(OH)2(aq) → Ca3(PO4)2(s) + NaOH(aq) How m... Consider the following chemical equation: 2NO2-->N2O4 If 25.0mL of NO2 gas is completely converted... Which of the following chemical equations shows the Law of Conservation of Mass?(1 point) Responses... What is the chemical name for C7H13O? Given the following chemical equation: 3 Cu + 8 HNO3 = 3 Cu(NO3)2 + NO + 4 H2O. How many moles... Which of the following chemicals are pollutants released when people burn fossil fuels? Select the t... GIVEN THE FOLLOWING CHEMICAL EQUATION: 3 +Cu +8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O. 1).HOW MANY M... Consider the following chemical reaction: C (s)+ H2O(g) --> CO(g)+ H2(g) How many liters of hydro... which of the following chemical substances would you expect to exhibit the greatest degree of hydrog... Qc for the following chemical reaction 3CIO2-(aq)<-->2CIO3-(aq)+Cl-(aq) Choices A:3[CIO2-]/2[CIO... WHAT IS THE CHEMICAL FOR 2 OF RUST what is the chemical name and lewis structure of NO3 -2 Consider the following chemical reaction. 2H2O(l) -->2H2(g)+O2(g) What mass of H2O is required... i want to now all the chemical equation in chemistry What is the name and chemical balance equation for magnesium metal and nitric acid? Given the following chemical equation, determine how many grams of N2 are produced by 8.58 g of H2O2... Given the following chemical reaction what is the bond enthalpy of OH 4NH3 3O2 yields 2N2 6H20 Chang... Without use of lab chemical describe an experiment used to distinguish between calcium Hydrogen carb... Which of the following chemical reactions represents a neutralization reaction? A. CH4 + 2O2... Without using any lab chemical describe a simple lab experiment to distinguish between calcium hydog... how can a egg be a chemical change? How can an antacid tablet be a physical and a chemical change? When does a chemical become a drug? Which is an example of chemical weathering? Responses weathering of rocks in a desert due to the... Consider the following chemical equilibrium: SO3(g) --> SO2(g) + 1/2 O2(g) and Delta H = 98.9J a.... Given the following chemical reactions and their respective enthalpy changes C2H2 + 5/2 O2-------... Which of the following chemicals is insoluble in water? A. C6H6 {benzene) B. HCI (hydrochloric... Consider the following chemical reaction: 2 KNO3 (s) ------------> 2 KNO2 (s) + O2 (g) What volume... how do i name this chemical? Fe(NO3)2 Consider the following chemical equilibrium: SO3(g) --> SO2(g) + 1/2 O2(g) and Delta H = 98.9J... What is the chemical name for the liquid fuel component C10H22(I)? A. butane B. decane C. nonane... When the following chemical eqaution is balanced the coefficients are ___ TaCl5(aq) +___MgBr2(aq) -... Which of the following chemical equations is balanced correctly? a 2Al + Fe2O3 -> Al2O3 +... one example of a chemical in food that is not a nutrient is What is the chemical name for Salt Water Consider the following chemical equation: NaOH (aq) + HCl (aq) ® NaCl (s) + H2O (l), the reactant Na... Consider the following chemical reaction: 2H2O2(L) ¨ 2H2O(L) + O2(g) ƒ¢Hrxn = -196.1 k... Which of the following chemicals are bases or can behave like bases? You may select more than one c... Which of the following chemicals are bases or can behave like bases? You may select more than one c... Which of the following chemicals are strong bases? You may select more than one compound. CH2=... Given the following chemical reaction: Zn+HCl-->ZnCl2+H2(g) If you measured the total volume of co... What is the chemical cause of the greens and red colors of aurora borealis (the northern lights)? 18.   How many chemical reactions are possible regarding the formation of carbonic acid and the... Consider the following chemical equation. SO2(g) + O2(g) → SO3(g) What volume of sulfur dioxide ga... Consider the following chemical equation: HgO(s) → Hg(l) + O2(g) How many milliliters of oxygen ga... Consider the following chemical equation. MnCl2(s) + H2SO4(aq) → MnSO4(aq) + 2 HCl(g) How many gra... Consider the following chemical equation. Cl2(g) + O2(g) → Cl2O3(g) Assuming all gases are at the... Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4... What is the overall chemical formula for photosynthsis? 6Co2+6H2O--->C6H12O6+6O2 Where does the... name a chemical sometimes used to make the specimen visible on a microscope. answer needs to be 5 le... Consider the following chemical reaction 2HCl+Ca(OH) CaCl+2H2O you have a mixed solution with 20.00... Look at the following chemical equation. NaBr + Cl2 → 2NaCl + Br2 Is this a balanced chemical... Which is an example of chemical energy transformed to light energy?(1 point) A. burning wood in a... Consider the following chemical reaction 2HCL+ Ca(OH)2 CaCl2+2H2O You have mixed 30.00ml of 0.150... Which of the following chemical reactions is an example of an endothermic reaction? A. Making... Which is an example of chemical weathering?(1 point) Responses burrowing animals digging a home...