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Science & Mathematics Questions

Asked: Solution A is 0.10moldm-3 HCl. B is a solution ...

Solution A is 0.10moldm-3 HCl. B is a solution of sodium trioxocarbonate(IV). 25cm3 of B is titrated against A using methyl orange as indicator. 23.5cm3 of A is used in titration. Calculate the mass ...

Asked: Calculate the volume of oxygen elvoved at 294K ...

Calculate the volume of oxygen elvoved at 294K if a current of 3.5A is passed through acidified water for 1.8minutes [molar volume of gas is 22.40dm3, 1 Faraday = 96500C].

Asked: WHAT IS YOUR OPINION OF gregorian chant?

WHAT IS YOUR OPINION OF gregorian chant?

Asked: When a radioactive element emits alpha particle ...

When a radioactive element emits alpha particle, state what happens to its I. mass number II. atomic number

Asked: If a certain mass of hydrogen gas collected ...

If a certain mass of hydrogen gas collected over water at 27 deg Cent. and 727mmHG has a volume of 1729cm3. Caculate the volume of the dry gas at S.T.P (S.V.P of water at 27 deg. Cent. = 27mmHg).

Asked: Cleaning laminate floors

hampton bay laminate flooring - Is it okay to use a damp mop on Hampton Bay laminate flooring after vacuuming?

Asked: A given mass of gas occupies 850cm3 at 320k and ...

A given mass of gas occupies 850cm3 at 320k and 0.92*10^5Nm-2 pressure. Calculate the volume of the gases at standard temperature and pressure. [Pressure at s.t.p = 101325Nm^-2]

Asked: How to install 2x6 insulation on a cieling?

how to install 2x6 insulation on a cieling?

Asked: Large Carbon mines in North america to support ...

large Carbon mines in North america to support Lithium battery manufacture

Asked: Which category can you NOT win a Nobel Prize in ...

Which category can you NOT win a Nobel Prize in Mathematics or Economics?

Asked: Problem on clocks

Need help to solve math homework problem At what time between 4 and 5'O clock will the hands of a clock be at right angle? Please tell me the procedure to solve these type of problems

Asked: How many diffrent 4 letter words can be formed ...

how many diffrent 4 letter words can be formed using the letters of the words CONSTITUTION such it starts with C and ends with N?

Asked: How many diffrent 4 letter words can be formed ...

how many diffrent 4 letter words can be formed using the letters of the words CONSTITUTION such it starts with C and ends with N

Asked: Alien encounters 3 More info on BRIDS? Does ...

alien encounters 3 More info on BRIDS? Does DNA tests actually show ET genetic codes? Is quantum supercomputers actually a reality yet? I think I want to know if episode 2 was written by writers or ...

Asked: What is the chemical equation for the reaction ...

What is the chemical equation for the reaction between propanoic acid and sodium

Asked: Problem on train

Help needed to solve algebra 1 homework If a train crosses a telegraph post and a platform 264 m long in 8 seconds and 20 seconds respectively, then what is the speed of the train? Please tell me ...

Asked: What is the typical practice for cleaning ...

what is the typical practice for cleaning containments around high voltage transformers, such as caged areas.

Asked: How long can one live at 33,000 feet?

how long can one live at 33,000 feet?

Asked: Science Breakthroughs The Koyal Group InfoMag News ...

Our image shows an artist's impression of the European Extremely Large Telescope , or E-ELT, whose 39-metre aperture puts it in line to be the world's largest optical-infrared telescope. Being built ...

Asked: What is meant by Type 2 for pvc sheath cable

pvc british standard 1755

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