2. Given the balanced equation below: 4Al + 30, - 2Alz03 A student reacted aluminum in excess oxygen gas and produced only a 50% yleld of aluminum oxide. What is a possible reason for this result? Some aluminum was spilled during the lab. The products were contaminated with another substance. As a reactant, aluminum oxide was limiting. There was not enough oxygen gas.

Q: D. Particles 5. People usually use hydrogen peroxide (Agua oxigenada) H202 to clean their wounds. If…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Write a balanced nuclear reaction for the decay of tin-127 by beta particle

A:

Q: The total of electrons lost that is equal to the total number of electrons gained in the balanced…

A:

Q: te 9.53 g of (FM 143.321). What was

A: As you not specify so I am giving answer of first question   Molarity of solute is defined as total…

Q: When 56.6 g of calcium and 30.5 g of nitrogen gas undergo a reaction that has a 93.0% yield, what…

A: The equation of the following recation would be: 3Ca + N2 --------------> Ca3N2 From this we find…

Q: a magnesium atom loses 2 electrons to achieve stability and a magnesium ion is obtained: a-translate…

A: A process in which the valence electron(s) of an atom removes and converts the atom into an ion is…

Q: Suppose 1.00 mole of pennies (each penny is 0.0598 inch thick) is stacked one  atop another to make…

A: 1.00 mole of pennies = 6.023 x 1023 number of pennyeach penny is 0.598 inch thickThus Length of pile…

Q: Consider the balanced reaction 8 A+ 9 B 8 C+4 D. If 7.33 grams of C (MW = 27.51) are produced, how…

A: Number of moles is defined as the ratio of the mass of substance to its molar mass. Equation used…

Q: calculate the mass in grams of each of the follow (2 2.00 X13 moles of Chorine (dz)

A: using the given value moles is given=200 molar mass of cl2 is 70g apply the formula  we can find the…

Q: If the rust found spread over the surfaces of a steel car body contains a total of 2.331×1023 oxygen…

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Q: Calculate the mass (in grams) of O2 that isproduced by photosynthesis when 2.49 × 104 kJ of solar…

A:

Q: True or False (use your periodic table/data sheet when appropriate) a. A Geiger counter detects…

A: a. True. A GM counter detects radiation from flashes of light generated by phosphors. b. True.…

Q: nuclear equation for U235 that produces Xe144 and Sr90

A: In this question, we have to give nuclear equation for U235 that produces Xe144 and Sr90 :

Q: QUESTION 10 Complete the following reactions by identifying the missing nuclear symbols. You may…

A: We will find out missing term.

Q: Is there another method to determine lead in shells without needing digestion? Explain the principle…

A: A question based on analytical process that is to be accomplished.

Q: Alpha particles are deflected along hyperbolic paths when they are directed towards the nuclei of…

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Q: If you react 5 moles of oxygen with a gallon of gasoline, how many moles and grams of Co2 will be…

A:

Q: Assuming a Alka-Seltzer tablet weighs 2390 g and a fragment used in a experiment weighed 0.2500 g…

A:

Q: How many grams of iron are needed to combine with 24.6 g of O to make Fe2O3?

A:

Q: 6. If 144 grams of K30 are added to 60 grams of VP, how many grams of V302 would be produced? grams…

A: Topic-- Finding  Mass of the product formed

Q: Complete  the following equation: 37 Li + ? ⟶ 224He

A: Distintegration reaction of Lithium-7 to Helium-4 take place as; 73Li  + 11H  ------->  2 42He

Q: 1. Calculate the number of grams in one mole of CASO-7H2O ? (Atomic weight Ca=40 ,S=32 ,O=16 ,H=1 ).…

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Q: Consider the balanced reaction 5 A + 5 B → 3 C + 6 D

A: 1 mole  B = 24.85 g of B 1 mole C = 20.23 g of C

Q: 6. The mass of P4O10 (At. Wt O=16, P=31) that will be obtained from the reaction of 1.33gm of P4 and…

A:

Q: The mass of P4010 (At. Wt O=16, P=31) that will be obtained from the reaction of 1.33gm of P4 and…

A: Given that -  Mass of Phosphorus P4 = 1.33 gm  Mass of oxygen O2 = 5.07 gm  Atomic weight of P = 31…

Q: What is the mass in grams of ^16O with 15.995 u ?

A: Unified mass unit:- Theu unified mass unit (u) is a unit of atomic and molecular masses. It is…

Q: Consider the balanced reaction 5 A + 5 B → 2 C + 5 D. If 6.026 grams of C (MW = 29.63) are…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Why toxic effects of carbon monoxide are strong in case of human beings?

A: Carbon monoxide is a neutral oxide which does not show basic or acidic properties when dissolved…

Q: How much orygen is produced from 2.56 X 10 g HgO?

A: Number of moles = mass/molar mass  Mass = moles × molar mass  Molar mass of HgO = 216.59 g/mol…

Q: Consider the balanced reaction 4 A + 5 B → 2 C + 7 D. If 6.322 grams of C (MW = 39.86) are…

A: Given , Chemical Reaction: 4 A + 5 B → 2 C + 7 D Mass of C = 6.322 g Molar mass of C = 39.86 g/mol…

Q: 3.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: 8.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Moles of CO2 and H2O are calculated as shown below,

Q: Disintegrate or decay mean that radioactive elements disappear as they emit radiation and are…

A: The given statement is true

Q: Consider the balanced reaction 3 A + 5 B → 3 C + 8 D. If 4.647 grams of A (MW = 35.35) are…

A: The mole concept is widely used in the field of chemistry to visualize the concentration of the…

Q: energy

A:

Q: Complete the following equation for the preparation of this new element:?+24998Cf→294118Og+310n

A: Given,? + 24998Cf → 294118Og + 310nThe element symbol, atomic number and mass number can be written…

Q: How many grams of iron are needed to combine with 26.3 g of O to make Fe2O3?

A:

Q: A hypothetical student achieved a 125% yield of barium phosphate. Explain, briefly, why this result…

A: Percent yield is the percentage of ratio between actual and theoretical yield of a reaction. Actual…

Q: How do you figure the nuclear equation for decay for 241 Pu 94 giving off beta particles?

A: Beta decay is the radioactive process in which beta particle is emitted i.e. an electron Or a…

Q: Lithium nitride reacts with water to produce ammonia and lithium hydroxide according to the equation…

A: Given;

Q: What proportion of the 14C present in Otzi's body when he died is still there today? When he died,…

A: The half-life time of carbon-14 is about 5,730 years.  Thus a sample that had 1/4 of its original…

Q: 5. How many protons (P), neutrons (n) and electrons (e) are present in 18173Ta-³? a. 76 p 105 n 73 e…

A: (5) The number on the bottom left corner is the atomic number, which tells you the number of…

Q: How many grams does 6.8 mol of carbon weigh?

A: Given  Number of mole of carbon  =6.8 mole  We know  that molar mass of carbon = 12 gram/mole Mass…

Q: Consider the balanced reaction 7 A + 6 B → 4 C + 3 D. If 8.511 grams of A (MW = 42.34) are…

A: The balanced reaction taking place is given as, => 7 A + 6 B --------> 4 C + 3 D Given : Mass…

Q: the complete decomposition of 1.0 gram of potassium chlorate gives potassium chloride and oxygen…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: how many grams of D (MW = 35.02) are produced?

A:

Q: 8. How many milligrams of iron are delivered from a 250. mg tablet of FeSO,-7H,O? Percentage %CaCl,…

A: Q9) U3O8 molar mass                 Atomic mass of U =238       Atomic mass of oxygen =16…

Q: When heated, NaOH decomposes according to the following equation. If all of the water is produced as…

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.