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a scientist exposes a sample of the mineral fluorite to em waves, causing the flourite to glow. which kind of em wave did the scientist use?

NovaJoe asked Dec 3, 2024

by NovaJoe

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A reaction is generally exothermic if the bonds in the products are_______ (weaker/stronger) than the bonds in the reactants. Why?

Elixon asked Dec 3, 2024

by Elixon

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Rank pure samples of each of the following species in order of increasing boiling point. Options: a) Hydrogen, Helium, Neon b) Neon, Helium, Hydrogen c) Helium, Hydrogen, Neon d) Hydrogen, Neon, Helium

Sliver asked Dec 3, 2024

by Sliver

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If an element has high ionization energy, will it tend to form cations or anions?

Phatduckk asked Dec 3, 2024

by Phatduckk

7.8k points

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5 votes

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In a 39.0 L expansion unit of a heat pump, the gas is at 4 ∘C and 415 kPa . The gas is compressed to 6.5 L . What must the pressure be in the compressor to achieve 48 ∘C ?

RedKing asked Dec 3, 2024

by RedKing

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4 votes

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A student observes zinc turning from a solid to a liquid in a laboratory investigation. Which statement describes the change in zinc atoms while melting? a) Zinc atoms are destroyed b) Zinc atoms undergo

Gabriele Lana asked Dec 3, 2024

by Gabriele Lana

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5 votes

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Select the effect of the size of a sample on the melting point measurement A) the larger the sample, the more accurate the measurement B) the sample should not be large, because a large sample would produce

Davis Dimitriov asked Dec 3, 2024

by Davis Dimitriov

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5 votes

73.3k views

2. What could you do to make sure the law of conservation of mass is shown?

Mellow asked Dec 3, 2024

by Mellow

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1 answer

4 votes

137k views

At what temperature is the substance a heated gas? at 100°C below 0°C above 100°C between 0°C and 100°C

Actine asked Dec 3, 2024

by Actine

7.9k points

1 answer

1 vote

7.0k views

I NEED HELP 0.0133 g of magnesium chloride was added to 821.5 g of water. How many ppm is this? Round to the tenths place (0.1)

Andrew WC Brown asked Dec 3, 2024

by Andrew WC Brown

7.3k points

1 answer

5 votes

191k views

Titanium reacts with zinc to form

Smaranjit asked Dec 3, 2024

by Smaranjit

8.4k points

1 answer

2 votes

211k views

What are the Electron-Domain Geometries as a Function of Number of Electron Domains?

Eskel asked Dec 3, 2024

by Eskel

8.6k points

1 answer

5 votes

74.7k views

How do I find if the isopropyl carbocation is primary, secondary, or tertiary? How would I find this out for any other molecule?

TokyoToo asked Dec 3, 2024

by TokyoToo

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168k views

Tetrafluoroethylene, _C2F₄, can be converted to octafluorocyclobutane which can be used as a refrigerant or an aerosol propellant. A plot of 1/[C2F4] vs. time gives a straight line with a slope of 0.0448

Mohit Ajwani asked Dec 3, 2024

by Mohit Ajwani

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1 answer

2 votes

5.1k views

Estion 9 (5 points) .04 LC) ich of the following most likely happens when thermal energy is removed from a chemical reaction? (5 points) a Ob Od Rate of reaction becomes faster Fewer collisions occur between

Janks asked Dec 3, 2024

by Janks

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I've studied that in non extreme conditions, aldehydes and Ketones may be reduced into their respective alcohols with Pt/H₂, and that lindlar catalyst on acid halides converts it into aldehydes through

Trcarden asked Dec 3, 2024

by Trcarden

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Refer to this summary equation of photosynthesis to complete the sentences about chemical bonds and reactions. 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂. What are the reactants in this equation? 1) 6 CO₂ + 6 H₂O

Muhamad Yulianto asked Dec 3, 2024

by Muhamad Yulianto

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108k views

What is the total mass of products formed when 16 grams of CH4 is burned with excess oxygen? (At. Masses: C=12, H=1, O=16) a) 36 grams b) 44 grams c) 62 grams d) 80 grams

Helton Valentini asked Dec 3, 2024

by Helton Valentini

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60.4k views

Threaded and flanged connections in hydrogen piping shall not be used in areas other than ___________________ and _____________

Travega asked Dec 3, 2024

by Travega

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2 votes

231k views

What is Al³⁺: a) A neutral element b) An ion c) A molecule d) None of the above

Madhav Datt asked Dec 3, 2024

by Madhav Datt

8.3k points

1 answer

2 votes

152k views

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