Chemistry

Which substance can not be decomposed by ordinary chemical means? how?
1. methane
2. mercury
3. ethanol
4. ammonia

  1. 👍
  2. 👎
  3. 👁
  1. The only element in the answers.

    1. 👍
    2. 👎
  2. which is?

    1. 👍
    2. 👎
  3. Log on to www.google.com and type in formula methane and see what it is.
    type in mercury and see.
    type in ethanol and see.
    type in ammonia and see.
    An element is just one material; i.e., it may not have anything connected to it. Methane, for example, is CH4. That is a compound composed of Carbon and Hyrogen. Compounds are not elements.

    1. 👍
    2. 👎
  4. so its mercury?

    1. 👍
    2. 👎
  5. exactly

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    A 76.00-pound flask of mercury costs $151.50. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury?

  2. Chem

    A 76.00-pound flask of mercury costs $159.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury? What

  3. chemistry

    A chemist determined by measurements that 0.0850 moles of mercury participated in a chemical reaction. Calculate the mass of mercury that participated in the chemical reaction. Round your answer to 3 significant digits.

  4. Chemistry

    A 76.00-pound flask of mercury costs $132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values.

  1. science

    What is something a scientist could add to or subtract from an unknown substance that will always reveal information about the physical and/or chemical properties of the substance? light heat** vinegar iodine is that right?🤠

  2. Chemistry

    13) Mercury is an environmental pollutant because it can be converted by certain bacteria into the very poisonous substance dimethyl mercury, (CH3)2Hg. This compound ends up in the food chain and accumulates in the tissues of

  3. Science~Ms. Sue

    If you are describing methane as a gas that easily catches fire, you are describing a ____. A. state of matter*** B. physical property C. chemical property D. chemical formula I think it's A

  4. Chemistry

    If the amount of mercury in a polluted lake is 0.4 µg Hg/mL, what is the total mass in kilograms of mercury in the lake? (The lake has a surface area of 100mi^2 and an average depth of 20 ft.) I'll probably be able to solve this

  1. Chemistry

    Are the following physical or chemical: a. dew is dried by the sun a dark cloth is faded by the sunlight c. grape juice is converted to wine d. soap is dissolved in water a.physical b.physical c.chemical d.chemical Physical

  2. Intergrated Science A

    Which answer choices best indicate that a substance has experienced a chemical change? Select all that apply. when the substance changes temperature when the substance changes shape when the substance changes volume when a new

  3. science

    'the scale of a mercury-in-glass thermometer is linear. one such thermometer has a scale extending from -10 degrees Celsius to 110 degrees Celsius. the length of the scale is 240mm.' what is linear? what is meant when the question

  4. chemistry

    Gaseous methane CH4 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 0.481 g of methane is mixed with 2.9 g of oxygen. Calculate the maximum mass of carbon dioxide that could

You can view more similar questions or ask a new question.