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Question- Explain why the general trend exists for elements getting smaller as you move across a period on the periodic table.
Please explain above problem in step by step manner so I can easily understand it
question an experimental car uses hydrogen as fuel and the tank that can hold gaseous hydrogen. the designers have two
Liquid water has a specific heat of 4.18 J/g-K. If an insulated container holds 250 g of water at room temperature (25 C). What would be the final temperature of the water if 15 kJ of heat is added to the water
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
Compute the pH of a solution made by mixing eighty grams of NaCH3COO, to 39 grams of CH3COOH, and adding in H2O to produce 500. mL of solution.
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 1051What is Kc for the following equilibrium?COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases.
Problem- A certain weak base has a kb of 7.3x10^-7. What concentration of this weak base will produce a pH of 10.33
Borazine B3 N3H6 is isoelectonic with benzene. Explain qualitatively the bonding in this molecule in resonance as well as molecular orbital theory.
The solution has a density of 1.182 g/ml. What are the molality, molarity and mole fraction of HNO3 in this solution?
maltose is a sugar with formulac12h22o11. a 250.ml aqeuoussolution of maltose at 25.00c has an osmotic pressure of5.61
State the balanced net equation for the reaction that takes place when 0.1 M solutions of lead (II) nitrate and lithium iodide are mixed.
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