Define the hydrides of alkali metals are high-melting solids

Assignment Help Chemistry
Reference no: EM13498190

Why are the hydrides of alkali metals are high-melting solids, whereas the hydrides of halogens are gases at room temperature?

Reference no: EM13498190

Questions Cloud

Evaluate the amount of the impure sample : calculate the amount of the impure sample one should weigh out on the analytical balance in order to titrate 25.00 mL of a 0.1000M solution of NaOH. Use dimensional analysis.
Estimate the magnitude of the frictional torque : If you lift the front wheel of a poorly maintained bicycle off the ground, If the moment of inertia of the wheel about its axle is 0.30 , what is the magnitude of the frictional torque
Explain why does ordered protein have a smaller ensemble : Why does "ordered" protein have a smaller ensemble of wsubf than the unfolded protein wsubu and therefore a lower entropy
What is the angular velocity of the disk and its speed : A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk and its speed at 1.42 cm from the axis of rotation
Define the hydrides of alkali metals are high-melting solids : Why are the hydrides of alkali metals are high-melting solids, whereas the hydrides of halogens are gases at room temperature
Using the profitability index, rank the projects : Using the profitability index, rank the projects, starting with the most attractive.
How is the basic wacc calculated : Weighted average cost of capital (WACC) is an important consideration in capital budgeting and valuing options. What is WACC, and how is the basic WACC calculated
Find the distance between her eyes and the glasses : A nearsighted patient's far point is 0.521 m from her eyes. What is the distance between her eyes and the glasses
Compute the total air flow to the dryer : A dryer removes 20,000 lb/hr of water from paper. Air at 70 deg F and 50% Relative Humidity enters and leaves the dryer at 140 deg F at 80% Relative Humidity. The barometric pressure is 14.3 psi. Calculate the total air flow to this dryer (ft^3/mi..

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the concentrations of all species

calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8

  State and describe the neutralization reaction

if you titrated it with .233 M sodium hydroxide solution, and it took 8.33 ml of the base to neutralize the acid, what was the concentration of the nitric acid? Write the Neutralization reaction, balance it, NAME the products THEN solve the proble..

  Explain what is the longest wavelength of radiation

This energy is called the work function of that metal. What is the longest wavelength of radiation (in nm) that could cause the photoelectric effect in each of the following metals

  Explain what is the final concentration

55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration

  Chemical engineeringenvironmental engineering 100

chemical engineeringenvironmental engineering 100 assignment 1 1. due september 20 2002 930 a.m. a rocket uses 110l of

  Depict the two remaining resonance structures

Draw the two remaining resonance structures (in any order), including nonbonding electrons and formal charges. Which is the most stable

  If b gas at 0221 bar is injected into a container at 665

at 665 degc keq is 0.234 for the following reaction4as bg ?2cs dgif b gas at 0.221 bar is injected into a container

  What is the molar concentration of phosphate ion

The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, 25) and Ka3 = 4.2 × 10-13 at 25.0 °C.

  What will be the final volume

Assuming that the pressure and amount of a gas sample remain constant, what will be the final volume of a 3 .84 L sample of a gas originally at 160 0C when heated to 280 0C

  Evaluate the mole fraction of benzene

At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600

  Explain what is the protein concentration of the original

The absorbance at 595 was 0.75 and according to a BSA standard curve corresponding to 0.025 mg protein on the x-axis. What is the protein concentration (mg/ml) of the original protein?

  Find the w what temperature

A bottle containing 1 kg of water (18.01g/mol) is boiled until evaporation is complete. Find w, q, U, H for the process. Hvap = 40.6kJ/mol. My question is when we find the w what temperature we use (room temperature or 100 C)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd