即 Fe2O3 + 3CO == 2Fe + 3CO2 3、例：配平H2O + Fe →Fe3O4 + H2 第一步：配平氧原子 4H2O + Fe →Fe3O4 + H2 第二步：配平氢原子、铁原子 4H2O + 3Fe →Fe3O4 + 4H2 第三步：配平后的化学方程式： 4H2O + Fe == Fe3O4 + 4H2 4、例：配平FeS2 + O2 → Fe2O3 + SO2 ...

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Former US President and Republican candidate, Donald Trump said he would be prepared to concede defeat after Tuesday’s vote if the election was fair. Trump stated this even as he once again ...

Tell us the truth – will it take 5+ years to fix the problem? This generation won’t fall for empty words. Give us realistic expectations, not ‘Hwange this, Hwange that.’ We’ve had enough!” ...

There are 13 different bars and restaurants that offer kiosks for horse betting through Catskill OTB. But at the end of November, the corporation will put all betting on hold. Police said there ...

Since the city's founding in 1610, the Santa Fe Plaza has been its cultural hub. Today, surrounded by numerous centuries-old buildings like the Palace of the Governors, the plaza continues to be ...

The holidays are fast approaching, which means many Capital Region holiday traditions are returning, including the Stuyvesant Plaza Holiday Strolls. This annual tradition marked its first day on ...

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world ...

The US Department of Energy has revealed plans to ... into the commercial market. Hydrogen Europe and H2 Chile have agreed to develop new trade opportunities between the European Union and Chile.