dry hydrogen gas was passed over heated oxide of copper weighing 14.3g. at the end of the experiment 12.7g of copper and 1.8g of water were obtained determine the formula of the oxide?​

Adestination for the adventure and nature lovers where you can explore the desert region seeing rare desert flowers and even do some sand surfing

Write the indefinite article ( un, una, unos, unas ) for each word. if both masculine and feminine articles are possible, write both. 1. autobús 2. foto (fotografía) 3. turistas 4. números

—soy patricia. cocinar en la celebración del día de la madre. —sí, a tu mamá el pescado y el pastel que cocinas en el horno.