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taurus [48]
2 years ago
15

Some chemical factories make hydrogen gas (H2) using a process called steam methane reforming. In this process, methane (CH4) co

mbines with steam (H2O) at high temperatures to form a mixture of hydrogen gas and carbon monoxide (CO). This mixture can then be used to make substances like hydrogen fuel and ammonia
Chemistry
1 answer:
erica [24]2 years ago
5 0

Answer:

steam and methane

Explanation:

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A 100-w light bulb is about 16% efficient. how many joules of heat energy are siddipated by the bulb each second
pickupchik [31]

Answer:

84 Joules are wasted per second.

Explanation:

An efficiency of 16% means 84% is wasted as heat energy.  

Therefore;

For a 100W bulb;

Heat wasted = 84/100 × 100 W

                      = 84 W

Therefore;

84 W or 84 joules are wasted as heat per second

3 0
3 years ago
Q2.Which is true about potassium?
Olenka [21]

\bf \LARGE\rightarrow{Very  \: reactive}

5 0
3 years ago
Read 2 more answers
At 25 ∘C the reaction CaCrO4(s)←→Ca2+(aq)+CrO2−4(aq) has an equilibrium constant Kc=7.1×10−4. What is the equilibrium concentrat
Nitella [24]

Answer:

2.67 × 10⁻²

Explanation:

Equation for the reaction is expressed as:

CaCrO₄(s)    ⇄      Ca₂⁺(aq)         +        CrO₂⁻⁴(aq)

Given that:

Kc=7.1×10⁻⁴

Kc= [Ca^{2+}][CrO^{2-}_4]

Kc= [x][x]

Kc= [x²]

7.1×10⁻⁴ =  [x²]

x = \sqrt{7.1*10^{-4}}

x = 0.0267

x = 2.67*10^{-2}

6 0
3 years ago
In an ion, the number of electrons is _____ to the number of protons​
zaharov [31]

Answer:

more/less depending on if it lost or gained electrons during the ionic bond process

3 0
2 years ago
How many molecules are in CH4
Aleonysh [2.5K]

Answer:

The number of molecules in CH4, also known as methane, is merely 0.85 * 6.02210 * 10 ^ 23 (Avogadro's Number). This amounts to <em><u>approximately 5.1 * 10 ^ 23 molecules</u></em><u> with the correct number of significant figures</u>.

6 0
3 years ago
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